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Lewiston GMC - Why the 2026 GMC Sierra 3500 HD AT4X Feels Right at Home on Backroads around Moscow, ID The Palouse’s rolling hills, gravel cut-throughs, and farm access lanes ask a lot of a heavy-duty truck. That is exactly where the 2026 GMC Sierra 3500 HD AT4X proves why it is more than just a spec sheet superstar. It blends serious tow ratings and payload potential with chassis tuning, hardware, and visibility tools that make the backroads around Moscow, ID feel manageable, even with a loaded trailer in tow. Start with the foundation: a fully boxed, high-strength steel frame and an available Duramax 6.6L Turbo-Diesel V8 mated to a 10-speed automatic. That pairing brings low-rpm torque and calm, predictable power delivery when you are easing a trailer out of soft ground or climbing a washboard hill. But the AT4X difference is the way the suspension soaks up chatter and helps you maintain control. Trail-Ready Hardware That Pulls Its Weight AT4X equips Multimatic® DSSV dampers—a racing-derived technology tuned for precision off-road control. The factory 1.5-inch suspension lift, larger steel transfer case skid plate, and front aluminum skid plate add protection and clearance, while the rear electronic-locking differential helps you claw forward when traction gets patchy. Wrap it all in 35-inch Goodyear® Territory MT tires, and the Sierra 3500 HD AT4X puts a confident footprint on variable surfaces that often challenge heavy-duty rigs. When you pair that mechanical grip with the Sierra’s available tow ratings, you have a truck that does not flinch at real work. Hitching, maneuvering, and lane changes get easier with up to 14 available camera views—including Transparent Trailer View and HD Surround Vision. It is the combination of traction plus visibility that changes your whole day, especially when the route is narrow and the turnarounds are tight. Cameras and Trailering Tools That Earn Their Keep Big mirrors are great. Multiple high-definition views are better. The 2026 Sierra 3500 HD’s available camera suite can show you the sides of your trailer during a lane change, a close-up of the hitch while backing, or a near see-through perspective on certain trailer types with Transparent Trailer View. Overlay that with guidance lines, and you are working with real confidence, not guesswork. Transparent Trailer: See around what you are towing for better awareness at junctions Hitch Guidance: On-screen lines and zoom help you line up solo Surround Vision: Bird’s-eye perspective for tight spots and barn entries Inside Trailer: Optional views to check cargo when equipped The ProGrade® Trailering System builds on those views with checklists, light tests, and trailer profiles you can save for different setups—flatbed today, fifth-wheel this weekend. It makes repeatable tasks quicker, reduces errors, and helps you stay organized when the day runs long. Cabin Comfort When Miles Add Up Off the clock or on it, the Sierra 3500 HD’s cabin is a welcome place to spend time. The 13.4-inch center display and 12.3-inch digital Driver Information Center team up to make maps, vehicle data, and trailering tools a glance away. Wireless Apple CarPlay® and Android Auto™ keep cords to a minimum, and available heated and ventilated seating—with massage on select trims—takes the edge off long stretches between farms or when traffic stacks up near town. For Moscow-area drives, that means you can move from gravel to pavement to rolling state highways without losing focus or comfort. If you opt for Denali or Denali Ultimate on a different build, expect authentic wood, full-grain leather, and available Bose Premium Series sound—premium touches many heavy-duty competitors do not quite match in look and feel. Gas or Diesel for the Palouse? The Sierra 3500 HD gives you a confident 6.6L gas V8 and an available Duramax 6.6L Turbo-Diesel V8, both paired with a 10-speed automatic. The gas V8 is a great fit for mixed workloads and moderate trailer weights, or when your routes stay shorter. The Duramax diesel brings stronger sustained torque for frequent heavy towing, longer hauls, and high-mileage use—especially helpful if you are tackling grades or hauling in headwinds across open stretches. Frequently Asked Questions: How does AT4X differ from AT4 on the Sierra 3500 HD? AT4X adds a factory 1.5-inch lift, Multimatic® DSSV dampers, a rear electronic-locking differential, larger underbody protection, and 35-inch Goodyear® Territory MT tires—hardware that takes off-road capability further than the already capable AT4. Can I get the advanced camera views on non-AT4X trims? Yes. Up to 14 available camera views, including Transparent Trailer View and HD Surround Vision, can be equipped across multiple trims when properly optioned. Is Adaptive Cruise Control with trailering available? Available Adaptive Cruise Control with trailering is offered on select trims and helps maintain gaps even when you are pulling a load, adding a layer of convenience and confidence on longer drives. What tailgate options help with loading? The available MultiPro™ Tailgate offers multiple configurations for step-up access, load stops, and work surfaces, with an available Kicker® audio system for on-site audio when equipped. For drivers who balance field work with highway miles and want a truck that feels planted on variable surfaces, the Sierra 3500 HD AT4X makes a persuasive case. It is the rare heavy-duty configuration that speaks fluently in traction, trailering, and tech. If you are cross-shopping rivals, pay attention to how many camera views you can actually equip, whether you can get transparent-style trailer visibility, and how the off-road packages are tuned. Some competitors offer lift kits and knobby tires without the damping precision or integrated trailering tools that matter when the trailer pushes back. The Sierra 3500 HD’s blend of mechanical grip and technology feels thought through from the hitch to the head unit. Our team at Lewiston GMC is happy to walk you through gas versus diesel, axle ratios, bed lengths, and the trailering packages that match what you are hauling. We are committed to serving Pullman, Moscow, and Walla Walla with real-world guidance that respects your time and your work. If you spend your weeks on gravel connectors and weekends towing a fifth-wheel toward the mountains, a properly equipped Sierra 3500 HD can simplify every mile. Bring your most common routes, a list of the trailers you use, and any accessories you rely on—we will help build a 3500 HD that fits your life on the Palouse. From configuring camera views and saving trailer profiles to demonstrating the MultiPro™ Tailgate’s step and load-stop functions, we will make sure the features you choose make everyday tasks easier. When the work is heavy and the roads are mixed, the right tools matter. The 2026 GMC Sierra 3500 HD AT4X delivers them in one cohesive package. Request more 2026 GMC Sierra 3500 HD information

Lewiston GMC - 2026 GMC Sierra 3500 HD Denali — Confident Towing and Everyday Comfort for Lewiston, ID Drivers Choosing the right heavy-duty truck is about trust—trust in the powertrain, the trailering tech, and the cabin you’ll live in day after day. For Lewiston, ID drivers who split time between jobsite hauling and family trips along Highway 12, the 2026 GMC Sierra 3500 HD Denali strikes a thoughtful balance. It delivers the poised strength you expect from a serious HD pickup and pairs it with premium materials and intuitive technology that make long days feel easier and more focused. In this guide, we’ll walk through why Denali is a smart, enduring choice for our region’s mix of grades, crosswinds, and tight staging areas. Start with confidence under the hood. Denali offers the available Duramax 6.6L Turbo-Diesel V8 with a 10-speed automatic transmission—an engine known for steady torque delivery and reliable engine braking. That matters when towing a fifth-wheel along the Clearwater or easing a heavy equipment trailer down a stretch of two-lane road with limited shoulders. The powertrain’s responsiveness pairs with a refined chassis feel, so acceleration, merging, and highway cruising stay composed even when weight is on the tongue. What sets Denali apart for Lewiston-area towing is its integrated visibility and control. The available camera suite can provide multiple views, including a Transparent Trailer View that helps you “see through” a compatible trailer. When you’re threading into a tight driveway or staging on packed gravel, that extra perspective shortens guesswork. Add available HD Surround Vision to monitor curbs, obstacles, and site edges where a spotter might be hard to position. The result is a truck that helps you move deliberately and safely, especially in situations with limited margin for error. Inside the Denali cab, long-day ergonomics and genuine materials make a difference. You get Denali-exclusive authentic wood, patterned aluminum trim, and Forge perforated leather seating surfaces that balance support with breathability. Standard 12-way heated and ventilated power front seats help you stay comfortable in variable conditions, while the heated steering wheel eases early morning starts. Add a power sunroof if you want more natural light and ventilation for those stretches between Lewiston and the prairie. The digital experience is equally important when you’re towing. Denali’s 13.4-inch-diagonal center touchscreen pairs seamlessly with a 12.3-inch-diagonal digital Driver Information Center to keep critical metrics—like trailer gain, transmission temperature, or navigation—right where you need them. The ProGrade® Trailering System with In-Vehicle Trailering App adds custom profiles, pre-departure checklists, and diagnostics to streamline hitching and safety checks. That organization prevents small oversights from becoming big headaches, especially when swapping between trailers with different weights, jack heights, and connector types. For everyday usability, the available MultiPro™ Tailgate becomes a go-to tool. You can deploy it as a step, use the load stops to help secure building materials, or configure it for easier access when you’re reaching gear in the bed. Pair it with the MultiPro Tailgate Audio System by KICKER® if you want added functionality during jobsite breaks or weekend tailgates. It’s that day-to-day practicality—without sacrificing Denali’s premium appeal—that makes this trim stand out for mixed-use owners around town. How does Denali fit the Lewiston, ID lifestyle specifically? Consider our region’s blend of short city hops, highway climbs, and side streets that can pinch with parked vehicles or tight corners. Denali’s available Adaptive Cruise Control with trailering helps maintain a steady gap when traffic compresses on the grade. HD Surround Vision and the available Rear Camera Mirror improve awareness where a standard rearview might be blocked by cargo or a tall trailer. And when conditions turn, Denali’s composed chassis and precise steering feedback help you place the truck confidently without extra corrections. When you’re weighing Denali against off-road focused trims like AT4 or AT4X, it comes down to priorities. If you’re spending most days on pavement or graded drives and want premium finishes alongside strong, steady towing, Denali simply makes a lot of sense. You still have access to robust trailering features, camera coverage, and advanced driver assistance options—just with a more luxurious cabin and signature styling cues that present well at client meetings or community events. Powertrain choice: Choose the available Duramax 6.6L Turbo-Diesel V8 with a 10-speed automatic for confident torque and smooth engine braking. Trailering visibility: Add up to 14 available camera views with features like Transparent Trailer View and HD Surround Vision for safer maneuvering. Cabin comfort: Count on 12-way heated and ventilated power front seats, premium materials, and an available power sunroof. Smart tailgate: Use the MultiPro™ Tailgate for load stops, steps, and bed access that reduce strain and speed up tasks. Integrated tools: Leverage the ProGrade® Trailering System and In-Vehicle Trailering App for checklists, profiles, and diagnostics. To help you map features to needs, here’s a quick decision framework: Assess your primary towing scenario—length, terrain, and hitch type—then match powertrain and camera views accordingly. Decide how much daily comfort you want; if you’re logging hours behind the wheel, prioritize seating and interior upgrades. Consider driveway and site access; if space is tight, invest in HD Surround Vision and Transparent Trailer View. Factor in your loading patterns; frequent bed access favors MultiPro™ Tailgate configurations. For trusted guidance, Lewiston Chevrolet GMC is ready to help configure your Denali with the right trailering tech, camera coverage, and cabin features for your exact use case. We’re serving Asotin, WA, Lewiston, ID, and Pullman, WA, with a straightforward process and the local know-how to recommend what works on our roads, in our neighborhoods, and across our job sites. Frequently Asked Questions: Is the Denali a good fit if I tow multiple trailers during the week? Yes. The ProGrade® Trailering System with the In-Vehicle Trailering App lets you save custom profiles, so you can switch quickly between trailers and run a pre-departure checklist without missing a step. Which camera upgrades help most in tight spaces around Lewiston, ID? Transparent Trailer View and HD Surround Vision add the most day-to-day confidence when you’re backing into narrow drives, staging on gravel, or navigating construction zones with limited clearance. Do I need the MultiPro™ Tailgate if I mostly tow? It’s still a smart choice. The step and load-stop functions streamline loading and unloading, while bed access becomes easier for checking tie-downs and shifting cargo around your hitch setup. How does Denali ride quality compare to more off-road-focused trims? Denali emphasizes on-road composure and premium refinement while keeping serious towing capability. If your routes are primarily paved or graded, Denali’s ride and interior will likely suit you better than an extreme off-road suspension. Can I add diesel power to maximize long-distance towing confidence? Yes. The available Duramax 6.6L Turbo-Diesel V8 with a 10-speed automatic is a proven match for sustained grades, engine braking control, and high-mileage towing. *Image may not be actual model Request more 2026 GMC Sierra 3500 HD information

Lewiston GMC - Hands-On Towing Confidence for Clarkston, WA — How the 2026 GMC Sierra 3500 HD’s Trailering Tools Help Every Mile When you’re towing in and around Clarkston, WA—down the Lewiston Grade, across the Snake River, or out toward farm sites off US-195—visibility and control are everything. The 2026 GMC Sierra 3500 HD leans into that reality with integrated camera coverage, a smart trailering app, and powertrain choices that stay poised on steep grades. Let’s unpack how those features work together in real life, from hitching in a tight driveway to navigating two-lane highways with a fifth-wheel in tow. Trailering Cameras That Do More Than “Show a View” Up to 14 available camera views on the Sierra 3500 HD are designed as a system, not just a collection of angles. Hitch View helps you align the ball and receiver without repeated get-out-and-check cycles. Bed View shows your gooseneck or fifth-wheel connection when you need a quick confirmation on the road. HD Surround Vision layers an overhead perspective that’s especially useful in crowded lots or when you’re squeezing between parked trailers at the fairgrounds. Transparent Trailer View often earns the biggest smiles on a test drive. When properly equipped and set up, it digitally stitches together a feed that helps you “see through” a compatible trailer, so you can better check for vehicles, cyclists, or a merging lane. On tighter streets near downtown Clarkston or around boat ramps where angles get tricky, that confidence boost helps you stay fluid and relaxed. ProGrade Trailering — Your Co-Driver for Checklists and Profiles The ProGrade® Trailering System brings the In-Vehicle Trailering App front and center on the 13.4-inch touchscreen. Before you roll, you can run a trailer light test solo, confirm electrical connections, and pull up your saved trailer profile with pre-set brake gain and other preferences. If you swap between a cargo trailer during the week and a fifth-wheel on weekends, those profiles help you keep things consistent—and quick. Because the app lives within the Sierra’s interface, it also pairs naturally with the available camera feeds. Want to do a brief bed check at a stoplight? Tap, glance, done. Need to confirm clearance before a turn? Toggle the view and you’re back to the mirrors. It’s this unified approach that keeps your attention where it belongs: on the road. Powertrains That Feel Planted on Grades Clarkston drivers know the grades in and out of the valley can test any truck’s resolve. The Sierra 3500 HD pairs a stout 6.6L gas V8 or available Duramax 6.6L Turbo-Diesel V8 with a 10-speed automatic designed for confident, predictable shifts under load. Translation: you get steady pull and less hunting for gears, and better control when you’re moderating speed on the way down. Available Adaptive Cruise Control with trailering can help hold a set following gap on rolling highways, while an integrated trailer brake controller gives you the kind of linear control you expect in a purpose-built HD pickup. Together, these traits take stress out of the miles—especially when you’re bringing a livestock or equipment trailer through changing terrain. MultiPro Tailgate — Everyday Versatility That Pays Off The MultiPro™ Tailgate adds more than a clever party trick. Its configurable steps and load stops help when you’re balancing equipment, coolers, or toolboxes. If you’re the go-to helper among friends or family, the available MultiPro Tailgate Audio System by Kicker® can even provide clear audio for instructions or a celebratory playlist after the job’s done. In practice, MultiPro shows its value during the workweek too. Set it up as a standing workstation, then convert for loading.It’s the kind of flexibility that saves trips back to the shop and reduces strain when you’re managing gear solo. Which Trim Fits Clarkston Best? If off-pavement projects take you near canyon roads or rutted access paths, the AT4 or AT4X trims bring an Off-Road Suspension Package, skid plates, and—on AT4X—a factory 1.5-inch lift with Multimatic® DSSV dampers, rear electronic-locking differential, and 35-inch Goodyear® Territory MT tires. It’s an OEM-tuned setup that delivers composure where washboards and uneven ruts would unsettle a lesser truck. If you spend long hours behind the wheel, Denali and Denali Ultimate turn the cab into a refined workspace. Authentic wood, premium leather, and available Bose Premium Series with Centerpoint® surround sound quiet the cabin and reduce fatigue on longer runs between Clarkston, Pullman, and beyond. How the Features Come Together on a Typical Day Picture this: you leave Clarkston early with a gooseneck in tow. A quick trailering checklist and light test in the In-Vehicle Trailering App gets you on the road sooner. As traffic builds, Transparent Trailer View and Trailer Side Blind Zone Alert help you merge with less guesswork. Later, a tight turn into a gravel lot becomes routine with HD Surround Vision and a bed view check of your hitch. On the return trip, Adaptive Cruise Control with trailering smooths out the pace, and you roll back into town feeling more refreshed than you expected. That’s the Sierra 3500 HD difference—integrated features that reduce mental load while increasing awareness. Frequently Asked Questions: How many camera views are available on the 2026 Sierra 3500 HD? Up to 14 camera views are available, including Transparent Trailer View, HD Surround Vision, Hitch View, Bed View, and other trailer-focused perspectives. Can the Sierra 3500 HD help me set up a trailer profile? Yes. The ProGrade® Trailering System’s In-Vehicle Trailering App lets you create and save trailer profiles, run light tests, and monitor key metrics before you roll. Is there an off-road trim that still tows confidently? AT4 brings off-road suspension and protection, while AT4X adds a factory lift, Multimatic® DSSV dampers, and 35-inch tires—all tuned for confident control. With proper configuration, you can still tow with confidence. What makes the MultiPro Tailgate useful day to day? Its configurable steps and load stops make loading, unloading, and working from the bed easier—plus the available Kicker® audio system can turn the tailgate into a staging area for tasks or casual downtime. If you’re comparing heavy-duty trucks for work, play, or a bit of both around the LC Valley, the Sierra 3500 HD brings together robust power, integrated visibility, and smart trailering tools in a package that genuinely helps from dawn to dusk. At Lewiston Chevrolet GMC, we’re here to help you choose the right configuration and walk you through every view, profile, and feature—serving Liberty Lake, Clarkston, and Colfax, WA, with a team that knows local routes and real-world needs. Request more 2026 GMC Sierra 3500 HD information

Lewiston GMC - MultiPro™ Tailgate Work Smarts for Walla Walla, WA Weekend Projects — 2026 GMC Sierra 3500 HD Tips The right tailgate design turns a powerful heavy-duty truck into a practical everyday partner, and that is exactly why the 2026 GMC Sierra 3500 HD’s MultiPro™ Tailgate stands out for weekend projects around Walla Walla, WA. You get six integrated functions designed to make loading, unloading, cutting, sorting, and staging easier—without juggling extra sawhorses or risking a wobbly improvised bench. Thoughtful touches like configurable load stops, an inner gate that becomes a generous workspace, and an available Kicker® audio setup make your driveway build feel organized and efficient, whether you are framing garden beds, refreshing a fence line, or loading winery gear for an early morning drop-off. Pair that Swiss Army knife flexibility with the Sierra HD’s best-in-class HD cargo bed volume, and you have a truck that doesn’t waste time. When your projects change every season—spring landscaping, summer deck repairs, fall cleanup—the MultiPro™ Tailgate adapts in seconds. It’s also friendly on your back. The full-width step and integrated handle offer solid footing, even with work gloves and boots, so you can step in and out of the bed with sturdy confidence. And when you are done staging lumber on the inner gate work surface, the main gate closes with the kind of precision that makes the Sierra HD feel like a trusted tool you’ll use for a decade. Primary gate: The conventional drop gate opens wide to load pallets, mulch, or bundled posts quickly. Inner gate: Fold down the inner panel for a raised second tier that helps manage long boards and boxes. Full-width step: Configure the inner gate to become a stable step for safer bed access. Load stop positions: Two adjustable stops help restrain ladders, piping, and lumber. Work surface: The inner panel transforms into a leveled bench for cutting, measuring, and laptop use. Audio-ready: An available Kicker® setup turns the tailgate into a weekend-ready entertainment hub. For homeowners and pros, organization matters. The MultiPro™ Tailgate’s layered functions work best when paired with the right accessories. Consider bed lighting for early starts and late finishes, cargo tie-down kits to lock in equipment, and a bed mat to stabilize toolboxes and prevent sliding. If you’re hauling extra-long materials, the tailgate’s load stops, combined with bed-rail tie-downs and a proper red flag, help keep everything aligned and visible. And if you work on sloped driveways, the full-width step gives you balanced footing when your weight shifts, carrying heavy totes. One more advantage: the MultiPro™ Tailgate integrates naturally with the Sierra HD’s broader toolset. Up to 14 available camera views—Transparent Trailer View, hitch guidance, bed view—help you back up precisely to materials or trailers, while the ProGrade® Trailering System’s In-Vehicle Trailering App manages checklists, light tests, and maintenance logs. For weekenders hitting farm stands or DIY supply runs, this connected ecosystem keeps you organized from driveway to job site and back again. And because you can pair the 13.4-inch infotainment center with wireless Apple CarPlay® or Android Auto™, your build plans, photos, and shopping lists are always a tap away. When you’re ready to turn this smart tailgate into your everyday advantage, our team at Lewiston Chevrolet GMC can help you select the right trim, bed length, and accessories so the MultiPro™ Tailgate works as hard as you do—week after week and season after season. We are proudly serving Moscow, ID, Pullman, WA, and Walla Walla, WA, with straightforward guidance and real-world setup tips that prioritize safety, utility, and long-term durability. With the 2026 Sierra 3500 HD’s power and the MultiPro™ Tailgate’s versatility, your weekend projects just got a professional-grade partner. Frequently Asked Questions: Does the MultiPro™ Tailgate reduce bed strength? No—the tailgate is engineered to complement the bed’s structure while adding load management, step access, and a work surface for common tasks. Can I close the tailgate with the inner gate deployed? Follow the on-screen prompts and labels—configurations are designed to fold in sequence so the main gate and inner gate close safely and properly. Is the Kicker® audio system weather friendly? It’s designed for outdoor use at the tailgate. As always, follow care guidelines for best long-term performance. Will bed caps or tonneau covers interfere with the tailgate? Many accessories are compatible, but fitment varies by brand and style. We’ll help you choose options designed to work seamlessly with MultiPro™ functions. Request more 2026 GMC Sierra 3500 HD information

Lewiston GMC - Why Drivers Love the 2026 GMC Sierra 3500 HD’s Camera Tech for Towing near Clarkston, WA Towing is easier when you can actually see what’s happening around your truck and trailer, and that’s exactly where the 2026 GMC Sierra 3500 HD stands out. Its camera technology brings unmatched clarity to hitching, hauling, and maneuvering—whether you’re threading a livestock trailer down a gravel lane or easing a fifth-wheel into a tight storage spot near Clarkston’s riverfront neighborhoods. This deep dive explores how the Sierra HD’s available up to 14 camera views, HD Surround Vision, and Transparent Trailer View work together with the ProGrade® Trailering System to save time, reduce stress, and help protect your equipment. We’ll also share practical tips for setup and real-world use so you can decide if these features fit your routine. What Makes GMC’s Trailering Camera Suite Different? Plenty of trucks offer one or two trailer-focused cameras. The Sierra 3500 HD goes further with an integrated system that’s designed from the frame up to serve experienced towers and first-timers alike. With HD Surround Vision for a bird’s-eye perspective, hitch views that help you align on the first try, and the standout Transparent Trailer View, the truck puts extra eyes in all the right places. Transparent Trailer View, when properly configured with a compatible trailer, can help you virtually “see through” that trailer, revealing what’s directly behind it—like cross traffic in a crowded lot or a low post you’d rather not meet with a fender. Because camera views are only useful if they’re easy to access, the 2026 GMC Sierra 3500 HD integrates them with an available 13.4-inch diagonal center touchscreen and a 12.3-inch diagonal digital Driver Information Center. That means less menu hunting and more time focused on your path. Add the available 15-inch Head-Up Display, and vital data stays within your line of sight when you need it most. Everyday Wins: Where Extra Visibility Pays Off Even seasoned drivers appreciate how the Sierra HD’s views simplify tight maneuvers. Backing a wide cargo trailer into a narrow driveway? Use the surround view to gauge curb distance and swing room. Aligning on uneven ground? Hitch view lets you correct before you’re out of position. Navigating a busy fuel island with a boat in tow? Transparent Trailer View can reveal traffic and obstacles hidden directly behind your rig. Those daily “saves” add up to fewer do-overs, fewer spotter requests, and fewer scuffed tires or trim pieces. For drivers who rotate among multiple trailers, the ProGrade® Trailering System’s In-Vehicle Trailering App stores trailer profiles, helps verify lights and trailer brake function, and tracks maintenance reminders—convenience that shores up consistency when you’re switching from a bumper-pull equipment hauler to a fifth-wheel overnighter. Setup Tips for Clear, Reliable Views Great results start with good setup. Make sure camera lenses are clean before you hitch up, especially after dusty county roads or muddy job sites. Calibrate any auxiliary trailer camera if you’re using one, and verify that your trailer profile is selected in the In-Vehicle Trailering App. Confirm your hitch height and trailer brake gain are dialed in before pulling onto the street—you’ll get better camera perspective and better control. It’s also worth practicing a few low-speed maneuvers in an open lot after configuration. Cycle through the available views to learn how each one frames your rig, then pick favorites and memorize where they live in the touchscreen menus. A few minutes of rehearsal makes a huge difference once you’re in a tight alley or a busy marina. How It Feels on Long Hauls On the open highway, visibility is confidence. The Sierra HD’s camera suite, combined with the available Adaptive Cruise Control with trailering, takes some mental load off on extended drives. The larger screens make it easy to double-check a view without pulling focus from the road for long, while the truck’s composure—especially with the available Duramax 6.6L Turbo-Diesel V8 and 10-speed automatic—adds steady power delivery for mountain grades and rolling prairie crossings between job sites. If you often travel after dark, the crisp resolution is a bonus. Backing into a dim storage bay or positioning at a campground pedestal is less guess-and-check and more place-and-park. You’ll still want a good flashlight and reflective gear, but the system is one of those “wish I had this years ago” tools once you use it a few times. Who Benefits Most? If you’re regularly hitching solo, threading tight driveways, or swapping trailers weekly, the Sierra HD’s camera tech will likely feel indispensable. But it also benefits owners who tow a few times a year—like weekend boaters or families with a mid-size camper. For occasional towers, the system shortens the learning curve and reduces the chance of a minor mishap that can sour a getaway. Businesses also see returns here. Contractors, ranchers, and landscapers who operate on tight sites or navigate busy yards will appreciate fewer delays and a more consistent hitch routine from newer team members. When the day’s timeline is tight, consistent visibility helps work stay on schedule. Frequently Asked Questions: Do I need special trailers for Transparent Trailer View to work? You’ll need a compatible trailer and the correct setup for the view to function as intended. We can review your trailer’s dimensions and wiring to confirm compatibility and help you configure the system for clarity and reliability. Can the Sierra 3500 HD store multiple trailer profiles? Yes. Using the ProGrade® Trailering System’s In-Vehicle Trailering App, you can create and save profiles for different trailers, including light check, brake gain preferences, and maintenance reminders. Is the camera system helpful if I rarely tow? Absolutely. Even if you tow occasionally, the additional visibility reduces stress and can help prevent small mistakes when you’re out of practice. It’s also great for bed monitoring and parking when you’re not towing. Which trims offer the most trailering tech? The advanced camera views and ProGrade® Trailering System are widely available across the Sierra HD lineup. Many shoppers choose SLT for a strong mix of comfort and capability, while Denali and Denali Ultimate add premium appointments to the same robust trailering tools. From first hookup to the final back-in, the Sierra HD’s camera coverage and trailering tools noticeably change the towing experience—more accuracy, less stress, and better efficiency. If you want a hands-on demo, our team at Lewiston GMC is happy to walk you through setup, show you each view on the 13.4-inch center touchscreen, and build a trailer profile that mirrors your daily reality. We’re proudly serving Clarkston, Colfax, and Orofino with guidance that focuses on your routes, your loads, and your schedules. Bring your trailer specs and towing questions, and we’ll tailor a test drive that proves how much clarity can transform your day on the road. Request more 2026 GMC Sierra 3500 HD information

Lewiston GMC - Why Colfax, WA Drivers Choose the 2026 GMC Sierra 3500 HD Denali for Confident Towing and Everyday Refinement For drivers around Colfax, WA who demand strength without sacrificing sophistication, the 2026 GMC Sierra 3500 HD Denali delivers a rare combination of torque, trailering intelligence, and premium comfort. It is designed for heavy-duty work with a 6.6L V8 gas engine or available Duramax 6.6L Turbo-Diesel V8, both paired to a 10-speed automatic transmission for assured power delivery on grades and highways alike. Denali’s distinctive exterior presence — complete with 20-inch Ultra-Bright machined aluminum wheels with bright chrome inserts — signals capability, while the cabin’s Denali-exclusive authentic wood, patterned aluminum trim, and Forge perforated leather seating surfaces create a space that makes long days feel more manageable. Up to 14 available camera views, including Transparent Trailer View, HD Surround Vision, and hitch guidance tools, turn complex maneuvers into confident motions. When the week ends, Denali’s quiet ride and supportive seats help you arrive refreshed and ready for more. Technology in the Denali trim works like a partner. The 13.4-inch diagonal center touchscreen and 12.3-inch diagonal digital Driver Information Center present key data clearly, and the In-Vehicle Trailering App streamlines checklists, maintenance reminders, and trailer profiles. Add the available Rear Camera Mirror to keep a wide, unobstructed digital view when your bed is full or a tall trailer blocks the conventional mirror. Towing control benefits from the Traction Select System’s Tow/Haul mode, while the MultiPro™ Tailgate brings unmatched flexibility for loading, staging, and accessing the bed. Pair it with the available MultiPro Tailgate Audio System by Kicker® to bring sound wherever the day takes you — perfect for jobsite briefings or campsite evenings. Towing confidence: Up to 14 available camera views with Transparent Trailer View simplify backing, lane changes, and tight turns. Premium comfort: 12-way heated and ventilated power front seats and Denali-exclusive materials reduce fatigue on long drives. Trailering tools: ProGrade® Trailering features and the In-Vehicle Trailering App help you manage multiple trailers and maintenance. Versatile bed access: MultiPro™ Tailgate offers multiple configurations for easier loading, unloading, and on-site staging. Diesel strength: The available Duramax 6.6L Turbo-Diesel V8 pairs refined power with confident long-haul performance. For shoppers cross-shopping other heavy-duty trucks, Denali’s camera technology is a standout. Transparent Trailer View alone can transform how you tow by allowing a virtual look through a compatible trailer to help reveal approaching traffic and curbs in your blind zone. Add HD Surround Vision to stitch together multiple camera angles as a top-down view for precision in tight spaces. On the comfort front, heated and ventilated front seats, refined materials, and noise isolation keep you focused and composed, even after a full day on the road. At Lewiston Chevrolet GMC — serving Clarkston, Colfax, and Orofino — our team can help configure a Denali tailored to your specific trailering needs. Whether you want to profile multiple trailers in the app, add the MultiPro™ Tailgate Audio System by Kicker®, or evaluate the benefits of the available Duramax diesel for your routes, we will walk you through every option. If you frequently navigate gravel or unpaved access roads, consider stepping up to features that bolster underbody protection and camera coverage to make those final few miles just as confident as the highway stretch. Frequently Asked Questions: What makes the Denali trim different from other Sierra 3500 HD models? Denali blends heavy-duty strength with premium appointments, including Denali-exclusive authentic wood and Forge perforated leather seating surfaces, 12-way heated and ventilated power front seats, and distinctive 20-inch Ultra-Bright machined aluminum wheels with bright chrome inserts, plus advanced camera and trailering tech. Is the diesel engine worth it for towing? For frequent or heavy towing, the available Duramax 6.6L Turbo-Diesel V8 provides confident torque and smooth power delivery, which can improve control on grades and long hauls. It pairs with a 10-speed automatic transmission tuned for consistent pulling performance. Which features help the most when hitching and parking? Up to 14 available camera views, including Transparent Trailer View and HD Surround Vision, enhance visibility when aligning the hitch, backing into tight spots, or navigating close quarters with a trailer attached. How does the MultiPro Tailgate help in daily use? MultiPro™ offers multiple configurations that make it easier to load heavy items, reach deeper into the bed, create a convenient work surface, and even add the available Kicker® audio system for on-site sound. *Image may not be actual model Request more 2026 GMC Sierra 3500 HD information

Lewiston GMC - Which Truck Handles Fifth-Wheel Towing Better for Weekend Getaways near Pullman, WA: 2026 GMC Sierra 3500 HD or Ford Super Duty F-350? Shoppers who split time between jobsite hauling and weekend fifth-wheel adventures often ask a focused question: which heavy-duty truck manages fifth-wheel towing with more confidence and less stress when the highway gets busy or the campground is tight? Let’s unpack how GMC and Ford approach the same problem with two different philosophies, then outline how to choose the right setup for your rig. GMC centers the Sierra 3500 HD on visibility and control. The available Duramax 6.6L Turbo-Diesel V8 funnels power through an Allison 10-speed automatic, and the truck layers in up to 15 camera views, including Transparent Trailer View that digitally “peels back” the trailer on the center screen for an unobstructed look behind. Hitch Guidance with Hitch View, Bed View with Zoom, and Trailer Side Blind Zone Alert work together to reduce guesswork and keep situational awareness high. Ford counters with formidable output from the available Power Stroke V8 Turbo Diesel and strong driver-assistance tools like Pro Trailer Backup Assist™, Pro Trailer Hitch Assist™, and Onboard Scales with Smart Hitch. Both trucks can be configured for serious fifth-wheel loads, yet GMC’s camera coverage and trailering interface tend to simplify line-of-sight decisions during lane changes and backing maneuvers. Here is a structured way to decide what matters most for your fifth-wheel use: Primary Route Profile: List typical grades, crosswinds, and traffic density along your usual routes. Hitching Frequency: Note how often you hitch solo vs. with a spotter and how much time you spend backing into tight spaces. Trailer Tech Readiness: Identify if your trailer supports integrated TPMS/temperature sensors for in-cab displays. Cabin Workflow: Choose the interface you prefer for daily use—GMC’s 13.4-inch display with Google Built-in or Ford’s 12-inch SYNC® 4 layout. Load Variability: Consider whether you routinely alter pin weight or cargo, which may elevate the value of Ford’s Onboard Scales with Smart Hitch. From a pure towing experience standpoint, GMC’s Transparent Trailer View becomes a daily advantage. Being able to see what is directly behind the trailer while moving down the highway reduces stress, especially when merging or navigating multi-lane interchanges. Pair that with the ProGrade® Trailering System’s In-Vehicle Trailering App—offering checklists, custom profiles, and integrated diagnostics—and the Sierra’s toolkit helps drivers focus on the road ahead instead of fighting menus or switching camera inputs repeatedly. Ford’s suite is excellent, especially for owners who frequently hitch alone and appreciate automated alignment. Still, the overall visibility and trailer-centric alerting in the GMC make a strong case for those who prioritize situational awareness. As you drill down to details, keep these considerations in mind: Camera Coverage: The Sierra offers up to 15 views, including Transparent Trailer View; Ford’s camera tech is strong, but the GMC coverage is unusually comprehensive. Infotainment Space: GMC’s available 13.4-inch screen presents multiple tiles and camera views at once; Ford’s 12-inch SYNC® 4 screen is clear but shows less at a glance. Diesel Character: The Duramax 6.6L emphasizes early torque and smooth surge; Ford’s Power Stroke diesel emphasizes peak output and aggressive response. Hitching Aids: Ford’s Pro Trailer Backup Assist™ and Pro Trailer Hitch Assist™ are excellent automation tools; GMC’s Hitch Guidance and Bed View with Zoom are intuitive and quick to use. Ownership Support: Prioritize a dealer with heavy-duty expertise, parts availability, and trailer-setup know-how for long-term confidence. Frequently Asked Questions: Do I need a dual-rear-wheel truck for my fifth-wheel? DRW improves lateral stability and pin-weight capacity for larger fifth-wheels. If your trailer’s GVWR and pin weight are near the upper end of SRW limits, DRW is a smart move. If you tow mid-size fifth-wheels and drive in tighter neighborhoods, a well-configured SRW can be the right balance. How do I compare real-world braking and control with a fifth-wheel attached? Look for integrated trailer brake controls, large rotors, and stability-oriented suspension tuning. Then, test the camera suite with your trailer attached to see how easily you can monitor lanes and obstacles. Visibility is often the deciding factor for driver confidence. Will GMC’s Transparent Trailer View work with my trailer? Transparent Trailer View requires compatible camera placement and trailer setup. A product specialist can verify fitment and mounting needs and walk you through calibration in the In-Vehicle Trailering App. Lewiston Chevrolet GMC, serving Pullman, Moscow, and Walla Walla, pairs truck selection with hands-on trailering setup so owners leave with confidence in hitching, braking, and visibility. If you value a streamlined towing workflow, transparent sightlines, and a cabin that keeps critical information front and center, Sierra HD is an excellent match for fifth-wheel adventures. If advanced hitch automation is your top priority, Ford’s tools deserve a look. Either way, a side-by-side demo with your trailer connected is the fastest way to pinpoint the right solution. Schedule a visit, bring your trailer specs and hitch hardware, and plan to compare camera views, brake controller behavior, and screen layouts back-to-back. One session often answers months of research—and you will know exactly how your fifth-wheel behaves when paired with the right heavy-duty partner. For a personalized configuration walk-through and a test route that mirrors your regular hauls, our team is ready to help you dial in the details. Request more 2026 GMC Sierra 3500 HD information