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Lewiston GMC - 2026 GMC Sierra 1500 AT4X: Strength and Comfort around Walla Walla, WA If your weekends involve muddy trailheads, rutted fire roads, and steep descents that reward skill and composure, the Sierra 1500 AT4X was built for that rhythm. GMC engineered this trim with a hardware-first approach: front and rear electronic locking differentials for true left-right parity when traction is scarce, and Multimatic® DSSV dampers tuned to manage high-frequency chatter and low-speed articulation. The result is a truck that feels uncommonly planted on the move and patient when you need to crawl. Layer in an AEV-stamped steel front bumper with front winch capability and a stamped boron steel AEV front approach skid plate, and you have genuine protection that invites exploration. Yet inside, the AT4X is unexpectedly serene — 16-way power front seats with heat, ventilation, and a massage feature turn long miles into an easy ride, while the 13.4-inch Premium GMC Infotainment System with Google built-in ensures your trail maps and playlists are always in reach. Everyday usefulness matters, too. The MultiPro™ Tailgate creates six configurations for staging gear, stepping into the bed, or setting up a work surface for camp prep. Hill Descent Control helps maintain a composed pace down loose or rocky grades, and the available 6.2L V8 with a 10-speed automatic pairs decisive power with smooth downshifts when you need engine braking on the way back to pavement. You can also add a spray-on bedliner to handle rough cargo, and the available AT4X AEV Edition turns the ruggedness dial even higher with additional skid plates and AEV badging. In the cabin, wireless phone projection keeps wires out of your way, while OnStar® Basics provides added security with features like Automatic Crash Response. For buyers who want a rig that’s as prepared for daily errands as it is for a trailhead two hours away, AT4X is a compelling fit. Differentials: Front and rear electronic locking differentials maximize traction over uneven terrain. Dampers: Multimatic® DSSV dampers improve control and durability on rough surfaces. Armor: AEV-stamped steel front bumper and boron steel AEV approach skid plate add robust protection. Seating: 16-way power front seats with heat, ventilation, and massage enhance long-distance comfort. Tech Suite: 13.4-inch infotainment with Google built-in and wireless phone projection streamlines navigation and media. Assess your route: Identify ground clearance needs and traction demands before you build your AT4X. Choose your power: The available 6.2L V8 offers assertive response for climbs and loaded travel. Prep for towing: Add the ProGrade® Trailering System if hauling an overland trailer is on your list. Protect your bed: Select a spray-on bedliner to stand up to recovery gear and camp equipment. Dial in comfort: Use the massaging seats to stay fresh on extended drives to and from the trail. When you’re ready to feel the difference that the right off-road chassis makes, schedule a closer look at AT4X with Lewiston Chevrolet GMC. Our team is serving Moscow, Walla Walla, and Coeur d'Alene, and we’ll tailor a walkthrough to your routes, your gear, and your towing plans. From traction strategies to cargo management, we’ll help you configure an AT4X that fits your life from Monday through Sunday. Frequently Asked Questions: Does the AT4X include front and rear locking differentials? Yes. AT4X features front and rear electronic locking differentials — a combination designed to maximize traction when surfaces and wheel speeds vary dramatically. What protection does the AT4X include from the factory? AT4X adds robust protection, including an AEV-stamped steel front bumper with front winch capability and a stamped boron steel AEV front approach skid plate. The AT4X AEV Edition adds even more coverage and AEV design cues. Is the AT4X comfortable for long road trips? Absolutely. The 16-way power heated and ventilated front seats with a massage feature, plus refined cabin tuning and premium materials, make the AT4X an excellent long-distance companion. What technology stands out on AT4X? The 13.4-inch Premium GMC Infotainment System with Google built-in, wireless phone projection, available 15-inch Head-Up Display, Hill Descent Control, and available trailering tools provide a confident, connected driving experience. *Image may not be actual model Request more 2026 GMC Sierra 1500 information

Lewiston GMC - Can the 2026 GMC Sierra 1500 Tow My Camper near Moscow, ID? For campers and boaters across the Palouse, the core question centers on whether a light-duty pickup can confidently handle weekend trailers, and the 2026 GMC Sierra 1500 rises to the challenge with smart powertrains, advanced trailering tech, and chassis upgrades that fit real Eastern Washington and North Idaho driving. At Lewiston Chevrolet GMC, our team helps Moscow, ID shoppers match trailers to the right Sierra 1500 configuration for grades on US-95, shifting winds across the wheat country, and tight campground approaches along the Clearwater. The headline specs set a strong foundation. When configured for towing, Sierra 1500 with the available Duramax® 3.0L Turbo-Diesel delivers a maximum available towing capacity of up to 13,300 lbs. TurboMax™ offers best-in-class standard torque at 430 lb.-ft. and is rated for up to 9,400 lbs of available max towing. Available V-8s, including the 5.3L and 6.2L, further expand choices across trims like SLT, AT4, and Denali. Actual capacity depends on cab, bed, drivetrain, axle, and equipment, so a quick build review with our product specialists ensures the capability aligns with your camper’s GVWR and tongue weight. Matching a trailer to the right engine and package is where confidence starts. Around Moscow, ID, shoppers often balance payload for family gear with tongue weight recommendations of roughly 10 to 15 percent of loaded trailer weight. Sierra 1500’s broad powertrain lineup gives options for light travel trailers, mid-size fiberglass campers, enclosed sled trailers, and fishing boats without overcommitting to a heavier class of truck. TurboMax power fits pop-ups, small fiberglass campers, and lighter boats where responsive low-end torque makes hill starts smoother 5.3L V-8 suits mid-weight travel trailers and multi-sport use with added cushion for cargo and passengers Duramax 3.0L Turbo-Diesel stands out for frequent towing, longer grades, and higher combined weights, thanks to confident torque and efficient cruising 6.2L V-8 rewards drivers seeking maximum throttle response for elevation changes and mountain passes Beyond raw numbers, integrated trailering technology helps deliver control in real-world conditions. Sierra 1500’s available ProGrade® Trailering System streamlines setup and on-road management with in-vehicle tools, custom trailer profiles, and helpful camera views. The available integrated trailer brake controller works with the antilock brake system for refined brake force signaling, while the available Max Trailering Package on select trims adds hardware like a 9.76 inch rear axle, enhanced cooling, revised shock tuning, heavier-duty rear springs, and a 220-amp alternator to support repeat towing in hot or hilly environments. ProGrade Trailering System helps with hitching, trailer status checks, and confidence on the highway Trailer brake controller integrates with the truck’s ABS for measured braking Max Trailering Package strengthens cooling, suspension, and electrical support for heavier loads Stabilitrak® Stability Control System helps enhance stability by detecting and reducing traction loss X31 Off-Road Package adds hill descent control and underbody skid plates for uneven campground terrain MultiPro™ Tailgate eases cargo loading and doubles as a stable step for cooler or generator access Available CarbonPro® bed offers rugged durability and impressive short-bed cargo volume for gear Preparation matters just as much as equipment. Before a first tow with a new 2026 Sierra 1500, use a quick checklist that keeps the experience easy and predictable from Moscow to Lewiston and back. Verify the trailer’s loaded weight, tongue weight, and tire pressures Confirm the truck’s stickered ratings and the build’s towing capacity Set up a trailer profile in the ProGrade Trailering System if equipped Test the trailer brakes with the integrated controller and adjust gain Load heavy items low and forward of the trailer axle to reduce sway Practice slow-speed maneuvers in a large lot before heading for grades If highway comfort is part of the plan, Sierra 1500 brings premium touches that make travel days relaxing. Denali and Denali Ultimate offer available Super Cruise® hands-free driver assistance technology for compatible roads, plus premium cabins and advanced displays that reduce fatigue on longer hauls. AT4 and AT4X provide added ground clearance and trail composure for remote campsites, while SLT and Elevation bring a smart blend of tech and everyday refinement. Our team at Lewiston Chevrolet GMC is ready to help Moscow, ID drivers identify the exact combination of engine, axle, cab, bed, and packages that match specific trailers and routes. Bring a tow scenario, and our product specialists will run the build, confirm ratings, and demonstrate Sierra 1500 trailering tools so the first trip feels as smooth as the tenth. Frequently Asked Questions: Which 2026 Sierra 1500 engine is best for towing around the Palouse? TurboMax™ delivers best-in-class standard torque of 430 lb.-ft. for confident starts and up to 9,400 lbs of available max towing. For frequent or heavier towing, the available Duramax® 3.0L Turbo-Diesel stands out with strong low-end torque and an available max of up to 13,300 lbs when properly equipped. The available 5.3L V-8 and 6.2L V-8 offer robust performance for mixed use, elevation changes, and responsive passing. Do I need the Max Trailering Package? For trailers nearing the upper end of capacity or for frequent towing in heat or on longer grades, the Max Trailering Package on select trims is a smart choice. The added cooling, higher-capacity rear axle, revised shock tuning, heavier-duty rear springs, and a 220-amp alternator support repeat towing and electrical demands from trailer brakes and accessories. How does the ProGrade® Trailering System help day to day? ProGrade® Trailering System simplifies setup and monitoring with custom trailer profiles, checklists, and helpful camera views for hitching. The system reduces guesswork, supports consistency from trip to trip, and helps deliver confident control in wind or cross-traffic merges. Can Super Cruise® be used while towing? Super Cruise® hands-free driver assistance technology is available on select Sierra 1500 models and functions on compatible roads. Towing functionality and feature availability can vary by configuration and map coverage, so review the owner’s manual and consult our team for guidance on a specific build. What if I want off-road access to remote campsites? Consider AT4 or AT4X for added clearance, Hill Descent Control, and dedicated off-road suspension tuning. For towing, confirm the specific AT4 or AT4X configuration’s rating, since off-road equipment can influence maximum capacity. Our team will align the build with the campsite access and trailer weight. Ready to confirm the right configuration for your camper or boat near Moscow, ID? Visit Lewiston Chevrolet GMC for a 2026 GMC Sierra 1500 walkaround, a towing tech demo, and a build review that verifies the numbers for real routes across the Palouse. Our product specialists look forward to helping you travel with confidence all season long. Request more 2026 GMC Sierra 1500 information

Lewiston GMC - Is the 2026 GMC Sierra 1500 or the 2026 Ford F-150 better for hands-free highway driving around Pullman, WA? Hands-free highway driving has quickly become a top question among full-size truck shoppers, and for good reason. Long distances, changing weather, and heavy traffic can turn a capable pickup into a daily stress-test. The standout solution is available Super Cruise® hands-free driver assistance technology on select Sierra 1500 trims, engineered to bring calm, confidence, and polish to your commute or cross-state haul. Ford’s BlueCruise offers a compelling alternative, but the way GMC packages Super Cruise with complementary systems—such as an available 15-inch multicolor Head-Up Display, the Premium GMC Infotainment System with Google built-in compatibility, and ProGrade® Trailering tools—creates a seamless highway experience designed around truck life. Beyond the core hands-free function on compatible roads, Sierra’s integrated features support the broader driving task. Available camera views simplify lane positioning and merging, while the 12.3-inch Driver Information Center and 13.4-inch center display keep status clear without distraction. The available CarbonPro® composite bed and MultiPro™ Tailgate don’t directly impact hands-free cruising, yet they reinforce the Sierra’s all-day utility—work in the morning, highway miles in the afternoon, campsite setup at dusk. Ford’s BlueCruise brings strong lane-centering and a growing network of mapped roads, but if your routine includes frequent towing, GMC’s ecosystem—headlined by the in-vehicle Trailering App and available ProGrade Trailering System—feels purpose-built for the questions that come up at the hitch. Coverage and convenience: Super Cruise works on compatible roads and is paired with clear driver attention prompts and intuitive steering-wheel controls. Trailering alignment: GMC’s available ProGrade® Trailering System and in-vehicle Trailering App help ensure your setup and status checks are simple before you ever engage hands-free driving. Driver focus aids: The available 15-inch multicolor Head-Up Display and the 12.3-inch Driver Information Center keep vital info visible while minimizing distraction. For those weighing hands-free tech alongside daily truck needs, consider how the Sierra’s systems work together. The Premium GMC Infotainment System with Google built-in compatibility supports voice-first navigation and communication; OnStar® services add helpful backup with Automatic Crash Response; and the truck’s chassis tuning across trims—from Denali’s available Adaptive Ride Control to AT4X’s Multimatic® DSSV dampers—keeps the ride composed when conditions change. The Ford lineup offers compelling content, especially with BlueCruise and its driver-assist suite, yet GMC’s blend of luxury appointments and truck-specific trailering and camera tools can make a decisive difference on the road. Frequently Asked Questions: Does Super Cruise work when towing? When properly equipped and on compatible roads, Super Cruise on select Sierra 1500 trims can support hands-free driving while towing. Always confirm your specific vehicle’s feature set and follow all driver attention prompts. Which Sierra 1500 trims offer Super Cruise? Super Cruise is available on premium trims, including Denali and Denali Ultimate, and may be included in specific packages. Availability can vary by configuration and options. How does BlueCruise compare for highway comfort? BlueCruise provides strong lane-centering and hands-free capability on supported roadways. Sierra’s advantage is how Super Cruise integrates with available truck-first features—such as ProGrade® Trailering tools and the in-vehicle Trailering App—to better match pickup use cases. Ultimately, the right choice comes down to how you drive. If your highway time overlaps with frequent towing, family travel, and tool-loaded workdays, Sierra’s combination of hands-free tech, refined interfaces, and truck-smart trailering support aligns neatly with real-world needs. If you primarily want hands-free commuting with occasional weekend hauling, Ford’s system remains competitive. For personalized guidance, schedule a drive and explore how each feature set fits your routine—hands on the wheel when you want, hands-free confidence when the road allows. Lewiston Chevrolet GMC is serving Pullman, Moscow, and Walla Walla with knowledgeable product specialists ready to explain hands-free features, camera views, and trailering tools side by side so you can choose with clarity. Request more 2026 GMC Sierra 1500 information

Lewiston GMC - Why Pullman, WA Drivers Rely on the 2026 GMC Sierra 1500 MultiPro Tailgate for Multi-Tasking The MultiPro™ Tailgate has become synonymous with the 2026 GMC Sierra 1500 because it transforms how you load, organize, and access cargo. In a single system, you get six primary functions: a primary gate, a load stop for longer items, a fold-down inner gate for closer bed access, a full-width step, an inner-gate load stop for second-tier cargo, and a work surface that’s perfect for laptops, paperwork, or tool prep. That means fewer compromises and more efficiency—carry lumber or piping during the week, then switch to camping gear or mountain bikes on the weekend without wrestling oversized items or resorting to awkward workarounds. For Pullman, WA homeowners and contractors alike, the MultiPro™ Tailgate streamlines every task, whether you’re tackling a yard project, framing a deck, or packing up for a Palouse getaway. Pair the MultiPro™ Tailgate with the Sierra’s available CarbonPro® composite bed and you get a strong, dent-resistant foundation that stands up to tough loads and variable weather. Add nearby trailering routes to the mix and the Sierra’s available ProGrade® Trailering System and In-Vehicle Trailering App complement the MultiPro™ Tailgate brilliantly—camera views help you align to a hitch, profiles store trailer diagnostics, and on-screen checklists keep your routine consistent. Even the little things matter: the fold-down inner gate shortens reach into the bed, which is a relief when you’re managing heavier items or a full day of loading and unloading. If you’re building out your setup, consider the Max Trailering Package or X31 Off-Road Package; both integrate well with the MultiPro™ Tailgate to keep utility high across work zones, gravel roads, and trailheads. Load flexibility: Use multiple load stops to secure longer items without improvising tie-down solutions. Safer access: The built-in step and handhold reduce strain when stepping up to the bed. Mobile workstation: The inner-gate work surface turns the Sierra into a convenient jobsite desk. Organization-friendly: Multiple heights and positions help separate tools and materials. Weekend-ready: Switch from job materials to bikes, coolers, and camping gear in minutes. The 2026 Sierra 1500’s interior tech ties it all together. The 13.4-inch Premium GMC Infotainment System with Google built-in compatibility and the 12.3-inch Driver Information Center keep navigation, camera views, and vehicle data visible while you manage cargo. If you opt for trims like AT4 or AT4X, the off-road hardware and ride height make it easier to reach remote sites while the MultiPro™ Tailgate continues to serve as your basecamp bench, prep table, and staging platform. Denali and Denali Ultimate put a premium spin on the experience with upscale materials and available features such as 16-way power front seats with massage, so even a long day on the job can end with a relaxing ride home. This is utility that respects your back, your schedule, and the punch list you’re crossing off. Frequently Asked Questions: Does the MultiPro Tailgate reduce towing performance? No. The MultiPro™ Tailgate is designed to complement the Sierra’s towing capability. When properly secured and configured, it won’t limit the truck’s rated performance or your access to hitch equipment. Can I add bed accessories with the MultiPro Tailgate? Yes. Bed lighting, tie-down points, liners, and cargo management systems pair well with the MultiPro™ Tailgate. Many owners also add toolboxes and bike mounts for everyday use. Is the CarbonPro bed required to use MultiPro? No. The MultiPro™ Tailgate works with standard high-strength steel beds as well as the available CarbonPro® composite bed—choose based on how you use your truck and the materials you haul. For a hands-on walk-through of how the MultiPro™ Tailgate can fit your routine, visit us for a tailgate demo. Our product specialists will show you how it integrates with the Sierra’s camera views, trailering profiles, and cargo tie-down points to simplify both jobs and weekend adventures. Lewiston Chevrolet GMC is serving Pullman, Moscow, and Walla Walla with helpful, no-pressure guidance—so you can build the truck that works as hard as you do. Ready to explore more? We’ll help you compare configurations, from Elevation and SLT to AT4, AT4X, Denali, and Denali Ultimate, and we’ll map accessories to your must-have tasks. When your daily life spans job sites and the rolling hills around the Palouse, the 2026 GMC Sierra 1500’s MultiPro™ Tailgate is the genuine upgrade that shows its value every single day. It’s a smarter way to load, secure, and step into your bed—without slowing down your momentum. Request more 2026 GMC Sierra 1500 information

Lewiston GMC - Why Walla Walla, WA Drivers Love the 2026 GMC Sierra 1500’s MultiPro™ Tailgate and ProGrade® Trailering For many pickup owners, the moments that matter most happen behind the tailgate and at the hitch. That’s why the 2026 GMC Sierra 1500’s MultiPro™ Tailgate and available ProGrade® Trailering System get so much attention from Walla Walla, WA drivers who split time between weekday work and weekend projects. Together, these two features turn the bed and hitch area into a smarter, safer, and more efficient workspace—without adding complexity. In everyday use, MultiPro™ delivers six clever functions that make loading, stepping up, reaching in, and securing cargo far easier than a traditional single-panel tailgate. Pair it with the available MultiPro Tailgate Audio System by KICKER and your jobsite or campsite becomes a mini hub for tunes, calls, and on-the-go podcasts. The available ProGrade® Trailering System builds confidence from the moment you prepare to hook up. It layers in smart tools such as camera-guided hitch views, a Hitch Guidance overlay, and a Trailer Side Blind Zone alert when properly equipped. The In-Vehicle Trailering App lets you store custom trailer profiles, run pre-departure checklists, and monitor key statuses like trailer light tests or tire pressure sensors if equipped. Add the integrated trailer brake controller and the truck’s ABS can coordinate with compatible electric trailer brakes for smoother stops. The result is a towing experience that feels polished and predictable—exactly what you want when backing into tight spaces, navigating blind corners, or managing grades on rural roads. Six-function MultiPro™ Tailgate: Primary gate, load stop, full-width step, inner gate, inner load stop, and work surface boost utility all week long. Available ProGrade® Trailering System: Integrated camera views, Hitch Guidance, and custom trailer profiles streamline every hitch-up. In-Vehicle Trailering App: Checklists, status monitoring, and maintenance reminders help protect your time and your gear. Integrated Trailer Brake Controller: Calibrated brake force signaling assists compatible electric trailer brakes for composed deceleration. Available Camera Views: Expanded perspectives can reduce stress when backing to a coupler or surveying obstacles. Underpinning these trailering and tailgate tools is a chassis and powertrain lineup that’s ready to work. The TurboMax™ engine’s 430 lb.-ft. of best-in-class standard torque helps you launch confidently with a utility trailer or boat in tow. For regular towing, the available Duramax® 3.0L Turbo-Diesel with a 10-speed automatic shines with torque-rich response on grades and long stretches. If your weekends involve steep forest roads or uneven surfaces, consider AT4 or AT4X with their off-road suspension hardware—AT4 brings a 2" factory lift and Rancho® monotube shocks, while AT4X adds Multimatic® DSSV dampers and front and rear e-lockers. Together with the available two-speed Autotrac® transfer case, you can tailor traction and throttle response to the surface beneath your tires. When loading up gear, the available CarbonPro® composite bed resists dents and corrosion and provides best-in-class short bed cargo volume. Add the available spray-on bedliner for added durability and LED bed lighting to keep your workspace visible after sundown. If you’re heading home late with the trailer, available Adaptive Cruise Control and a 15" multicolor Head-Up Display can reduce fatigue by keeping the right information in view. And with OnStar® services including Automatic Crash Response, you gain added peace of mind on longer hauls. For shoppers seeking a high-value truck that maximizes practicality without sacrificing comfort, these targeted features are a compelling reason to choose Sierra 1500. The cabin can be tailored for daily comfort—available heated and ventilated seats, a heated steering wheel, and Bose® premium audio—while the 13.4" Premium GMC Infotainment System with Google built-in keeps navigation, playlists, and voice assistance a tap away. The net effect is a pickup that’s as easy to live with on a Tuesday as it is capable on a Saturday. Ready to put these solutions to work for your projects, hobbies, and family travel? Our knowledgeable team is serving Moscow, Walla Walla, and Coeur d'Alene with guidance on the best combinations of bed, cab, axle ratio, towing packages, and driver-assistance tech for your use case. Visit to explore MultiPro™ Tailgate functions in person, test the available ProGrade® Trailering System’s camera views and checklists, and see how the Sierra’s cabin upgrades elevate every drive. Frequently Asked Questions: How does MultiPro™ Tailgate make daily tasks easier? It provides six functions including a full-width step and a built-in work surface, so you can climb in, reach cargo, and secure loads more efficiently than with a traditional tailgate. What’s included in the available ProGrade® Trailering System? It integrates camera views, Hitch Guidance, and the In-Vehicle Trailering App for custom profiles and checklists, all designed to make hitching and towing more intuitive. Which Sierra 1500 trims are best for off-road towing with gear? AT4 adds a 2" factory lift and off-road suspension, while AT4X layers in Multimatic® DSSV dampers and front and rear e-lockers to help maintain traction on uneven terrain. Can I add bed durability features for hauling tools and materials? Yes. Consider the available CarbonPro® composite bed, spray-on bedliner, and LED bed lighting to improve durability and visibility while loading and unloading. Where can I see these features in action? Schedule a demonstration to try MultiPro™ Tailgate functions, view trailering camera angles, and explore the In-Vehicle Trailering App’s tools before your test drive at Lewiston Chevrolet GMC. Request more 2026 GMC Sierra 1500 information

Lewiston GMC - Is Super Cruise® on the 2026 GMC Sierra 1500 the Right Choice for Highway Driving near Walla Walla, WA? Hands-free driving on compatible roads is no longer a future promise—it is here in the 2026 Sierra 1500 with available Super Cruise®. If your routine includes long stretches of divided highway to job sites, family visits, or weekend destinations around Walla Walla, WA, understanding what Super Cruise® can and cannot do will help you decide whether to add it to your next truck. At its core, Super Cruise® combines precise lane centering, adaptive speed control, and a Driver Attention System to support hands-free driving on compatible mapped roads. When conditions are right and the system is engaged, it helps reduce driver fatigue on long trips by handling the small steering and speed adjustments that keep you smoothly in lane. You retain responsibility for safe operation; the system enhances the drive by giving you a break from constant steering input while ensuring your eyes remain on the road. What it is: A hands-free driver assistance technology for compatible divided highways that can help with lane centering and speed control. Who it fits: Drivers who log frequent highway miles and value a calmer, more consistent long-distance drive. Where it shines: Extended, well-marked stretches of highway where consistent speed and lane discipline matter most. How it integrates: Works alongside available tech like the 13.4" Premium GMC Infotainment System with Google built-in compatibility. When to consider: If your trips regularly span hours, Super Cruise® can become one of your most appreciated features. Trims such as Denali and Denali Ultimate make Super Cruise® available, reinforcing the Sierra’s premium approach to comfort and long-haul confidence. Pair that with the available 12.3" Driver Information Center and, on select models, a 15" Head-Up Display, and you get a cabin that communicates key information clearly while you remain engaged. For those who tow, ask about feature availability with trailering so our team can match your usage to the right configuration. What about daily life? Super Cruise® is not just for marathon drives. It is equally helpful on routine interstate commutes, smoothing out the small corrections that can make heavy traffic feel tiring. Because the Driver Attention System helps ensure you stay focused forward, the technology supports safer habits while delivering meaningful convenience. The result is a drive that feels less taxing and more composed, trip after trip. Lewiston Chevrolet GMC is here to help you compare trims and options, set up a demonstration drive on compatible roads, and explain how Super Cruise® works in clear, practical terms. As a regional truck resource serving Pullman, Moscow, and Walla Walla, our product specialists can show you how Super Cruise® fits into the wider Sierra technology suite—including the available in-vehicle Trailering App, camera systems, and more—so you get the most from every mile. Frequently Asked Questions: Does Super Cruise® work in bad weather? Super Cruise® depends on clear lane markings and sensor performance. In poor weather or low visibility, the system may not be available. The truck will let you know when conditions support hands-free operation. Can I tow while using Super Cruise®? Super Cruise® availability with trailering varies by configuration. Ask our team to review your trim and package plan so we can confirm supported features for your setup. How does the truck ensure I remain attentive? A Driver Attention System helps monitor that your eyes remain on the road. If the system detects inattention, it issues alerts and can prompt you to take full control. Is Super Cruise® worth it if I do short trips? If your drives are mostly local and under 20 minutes, you will still appreciate the technology on occasional interstate runs. However, drivers with regular highway miles typically gain the most benefit. Request more 2026 GMC Sierra 1500 information

Lewiston GMC - Why the 2025 GMC Sierra 1500’s Powertrains Shine for Drivers in Moscow, ID When a light-duty pickup balances muscle, refinement, and long-haul confidence, daily life gets easier. The 2025 GMC Sierra 1500 delivers that equilibrium with a thoughtfully tiered powertrain family that helps you choose the right blend of torque, response, and efficiency for real-world demands. Whether you’re towing a weekend trailer, hauling project materials, or logging highway miles between job sites, the Sierra’s engineering meets you where you are and gives you bandwidth for what comes next. The foundation is the TurboMax™ engine, rated at 310 horsepower and 430 lb.-ft. of best-in-class standard torque. Matched to an 8-speed automatic transmission, it puts punchy low-end power at your right foot for city traffic, jobsite approaches, and steep on-ramps. Step up to the available 5.3L V8 with a 10-speed automatic if you like the broad, familiar pull of a small-block that feels unflustered under load. For maximum gas-powered performance, the available 6.2L EcoTec3 V8 with a 10-speed automatic transforms heavy towing and high-altitude climbs into smooth, confident strides. And for owners who prize quiet strength and relaxed highway cruising, the Duramax® 3.0L Turbo-Diesel with a 10-speed automatic serves up refined torque that feels effortless across long stretches. Picking the best engine is about matching use case to capability. If your typical week includes errands plus occasional towing, TurboMax™ is a smart choice. If you regularly pull multi-axle trailers, the 5.3L or 6.2L V8s tighten everything up with deep reserves. If you commute long distances or pull in gusty crosswinds, the Duramax® 3.0L Turbo-Diesel’s torque curve and composure can make a measurable difference in fatigue reduction. Whichever route you choose, available systems like the ProGrade® Trailering System and the Six-Function MultiPro™ Tailgate elevate the ownership experience, along with available 4WD with a two-speed Autotrac® transfer case for traction on mud, snow, and gravel. Beyond the engine bay, the Sierra’s cockpit keeps you informed and in command. A 13.4" diagonal multicolor touchscreen pairs naturally with a 12.3" diagonal Driver Information Center, and an available 15" diagonal Head-Up Display projects core data—navigation cues, safety alerts, and more—at a glance. Denali models add premium materials such as authentic open-pore wood, patterned aluminum trim, and perforated-leather seating, while Denali Ultimate elevates comfort with 16-way power front seats with massage. Off the pavement, AT4 and AT4X hardware including a 2" factory lift, Rancho® monotube shocks, Multimatic® DSSV dampers, and front and rear electronic locking differentials bring confidence when trails turn technical. To help you zero in on the right fit, here’s a quick look at the MultiPro™ Tailgate’s six integrated functions and how they simplify daily life: Primary Gate: Open the main tailgate for easy access to the bed. Primary Gate Load Stop: Use the built-in stop to help secure longer cargo. Easy Access: Fold the inner gate to reach items near the front of the bed. Full-Width Step: Create a stable step for safer, quicker entry and exit. Inner Gate with Work Surface: Set up a flat surface for laptops, tools, or paperwork. Inner Gate Load Stop: Add a second load stop to secure tiered cargo. Pair those functions with the CarbonPro® composite bed’s dent and corrosion resistance, and you have a truck bed that’s ready for years of hard use while still looking sharp. It’s the sort of thoughtful engineering that helps the Sierra stand out in the segment. Frequently Asked Questions: Which 2025 GMC Sierra 1500 engine is best for towing? All engines are capable, but the available 5.3L V8 and 6.2L EcoTec3 V8 are popular for frequent heavy towing. The Duramax® 3.0L Turbo-Diesel’s smooth torque delivery also makes it an outstanding choice for long-distance trailering. What trailering tech can help with hookups and maneuvering? The available ProGrade® Trailering System integrates in-vehicle apps, checklists, and helpful camera views to streamline hookups, verify connections, and enhance control in tight spots. How do AT4 and AT4X differ for off-road use? AT4 features a 2" factory lift, off-road suspension, Rancho® monotube shocks, and skid plates. AT4X adds Multimatic® DSSV dampers plus front and rear electronic locking differentials for traction in highly technical terrain. What interior tech should I look for? Shoppers often prioritize the 13.4" diagonal multicolor touchscreen, 12.3" diagonal Driver Information Center, and the available 15" diagonal Head-Up Display. Denali Ultimate also offers 16-way power front seats with massage for top-tier comfort. Ready to compare engines and trims side by side. Lewiston Chevrolet GMC is serving Moscow, Walla Walla, and Coeur d'Alene with the product knowledge and test-drive guidance to help you build a Sierra that fits your day-to-day and your next big project. Request more 2025 GMC Sierra 1500 information