2025 GMC Sierra 2500 HD near Pullman, WA
2025 GMC Sierra 2500 HD Overview
When work demands strength and weekends call for adventure, the 2025 GMC Sierra 2500 HD near Pullman, WA delivers capability, confidence, and refinement in equal measure. At Lewiston Chevrolet GMC, we see how crews, ranchers, and outdoor enthusiasts rely on heavy-duty trucks that feel premium without compromising toughness. This Sierra HD lineup brings best-in-class HD cargo bed volume, a six-function available MultiPro™ Tailgate, and up to 13 available camera views to simplify every hitch, haul, and maneuver. The 13.4-inch available GMC Premium Infotainment System with Google built-in keeps your world connected, while Sierra HD Pro Safety provides confidence with Forward Collision Alert, Automatic Emergency Braking, Lane Departure Warning, and more. Whether selecting Pro, SLE, SLT, AT4, AT4X, Denali, or Denali Ultimate, drivers around Moscow and Walla Walla will appreciate a cab that is engineered for quietness and comfort plus trims that elevate luxury, including available 12-speaker Bose Premium Series audio. If the job calls for advanced trailering tech, the available ProGrade® Trailering System with In-Vehicle Trailering App helps you work smarter. The 2025 GMC Sierra 2500 HD near Pullman, WA is proof that big capability can also be intuitive to own and rewarding to drive.
Exterior - GMC Dealer serving Pullman, WA
The Sierra Heavy Duty looks every inch the premium pulling machine, combining bold design with rugged functionality. The body lines and signature grille make a strong first impression, while available LED projector headlamps with GMC signature animated lighting sequences add both style and clarity after dark. The bed is built for big workloads with best-in-class HD cargo bed volume, smart tie-downs, and an available spray-on bedliner featuring the GMC logo for durable protection. The available six-function MultiPro™ Tailgate transforms how you load, unload, and access the bed, including integrated step and work-surface functions that boost productivity. Available outside vertical trailering mirrors provide power extension, retraction, and folding, with features like auto-dimming upper glass, amber clearance lamps, auxiliary spot lamps, and perimeter lighting that help improve your view. Available power-retractable assist steps with LED perimeter lighting ease entry and exit, and a range of wheel designs — including AT4-exclusive gloss-black aluminum wheels — adds personality that matches the truck’s purpose. From ranch roads to job sites near Pullman, WA, the Sierra HD’s stance, ground clearance, and functional details confirm that style and substance can work seamlessly together.
Interior - 2025 GMC Sierra 2500 HD near Pullman, WA
Step inside and you’ll find a cab designed for all-day productivity and long-haul comfort. Crew Cab models offer best-in-class front head and leg room, making space and ergonomics a standout strength. Available 10-way power front seats with heat, ventilation, and lumbar support, plus an available heated steering wheel, let you tailor your comfort across seasons. The available Dual-Zone Automatic Climate Control automatically balances temperature and airflow for an ideal cabin environment. On SLE and SLT, the 13.4-inch diagonal GMC Premium Infotainment System with Google built-in integrates your favorite apps and navigation, while wireless Apple CarPlay® and Android Auto™ compatibility allow seamless smartphone connectivity. An available Bose Premium Sound System with a Richbass woofer fills the spacious cabin with clear, rich audio, and the thoughtful storage solutions help keep tools and personal items neatly organized. Rear-seat passengers benefit from generous leg room on Crew Cab models, and available premium materials elevate the touchpoints you use most. From convenient USB ports to available wireless phone integration, the Sierra HD anticipates daily needs with an intuitive layout that prioritizes visibility, ease of use, and refined finishes that hold up to the rigors of real work.
GMC Sierra 2500 HD Mechanical specs
Under the skin, the 2025 GMC Sierra 2500 HD is engineered for stability, durability, and control. The high-strength frame, robust suspension tuning, and available off-road hardware instill confidence whether you’re towing, hauling, or crossing a muddy access road. Choose from 2WD or 4WD across Regular Cab, Double Cab, and Crew Cab configurations with a 6' 9" standard bed or an available 8' long bed to match your workload. Wheelbase options span 159.0 to 172.0 inches, and 2500 HD ground clearance reaches approximately 10.1 inches. For trail-oriented buyers, the X31 Off-Road package brings twin-tube Rancho® shocks and skid plates, while AT4 models add an Off-Road Suspension Package and available up to 14 camera views including HD Surround Vision. AT4X steps up further with a factory-installed 1.5-inch suspension lift, AT4X-exclusive Multimatic® DSSV dampers, a rear electronic-locking differential, and 35-inch Goodyear tires to help maintain traction in rutted trails and rocky terrain. Integrated trailering hardware and an available Trailer Brake Controller work with the ProGrade® Trailering System to streamline hitching, backing, and monitoring. From its steering calibration to its trailering stability, every major system in the 2025 GMC Sierra 2500 HD is tuned to feel secure and predictable with a load in tow.
Powertrain - GMC Dealership near Pullman, WA
Power comes standard from a 6.6L V8 gas engine paired with an Allison® 10-speed automatic transmission for confident response and smooth shifting under load. For maximum pulling confidence, the available Duramax® 6.6L Turbo-Diesel V8 teams with the Allison® 10-speed to deliver a broad torque band and composed, controlled acceleration with a trailer behind you. Tow/Haul mode and smart shift logic help keep the powertrain in the right gear on grades, and grade braking works with the transmission to support stable descents. The 2500 HD’s capability is more than spec-sheet numbers — it’s matched to real-world tasks with max conventional trailering up to 20,000 lbs, a max available gooseneck/fifth-wheel trailering rating up to 21,870 lbs, and a max GCWR up to 30,000 lbs, when properly equipped. The driveline components are built for heavy-duty duty cycles, while cooling and thermal management strategies help maintain performance during long pulls. Add available features like the In-Vehicle Trailering App and the ProGrade® Trailering System, and you gain a connected powertrain that communicates, adapts, and supports you through every mile. Whether you choose gas or diesel, the Sierra HD delivers a refined yet resolute character that inspires confidence on demanding jobs.
Safety - 2025 GMC Sierra 2500 HD dealer
Every 2025 GMC Sierra 2500 HD includes Sierra HD Pro Safety — a comprehensive suite of active safety and driver-assistance technologies — to help you stay aware and prepared. Core features include Forward Collision Alert, Automatic Emergency Braking, Front Pedestrian Braking, Lane Departure Warning, Following Distance Indicator, IntelliBeam, and Buckle to Drive. When towing, available Adaptive Cruise Control with trailering accounts for increased drag and braking distances to help maintain set gaps more smoothly. Visibility is a standout, with up to 13 available camera views, including HD Surround Vision, a Bed View Camera, and the available industry-first Transparent Trailer View that can help you virtually “see through” a compatible trailer. Available trailering mirrors with power extend, retract, and fold functions, plus auxiliary lighting, further enhance situational awareness in tight yards and at dusk. The available Rear Camera Mirror can augment your rearward view when cargo blocks a conventional mirror. Our team at Lewiston Chevrolet GMC can show you how these systems work together to reduce stress in complex driving, parking, and hitching situations. In short, the safety and visibility technology in the 2025 GMC Sierra 2500 HD is designed to help you feel in command from driveway to job site.
Request more 2025 GMC Sierra 2500 HD near Pullman, WA information
Capability may bring you to a heavy-duty truck, yet the 2025 GMC Sierra 2500 HD near Pullman, WA keeps you loyal with comfort, technology, and control that deliver day after day. From best-in-class HD cargo bed volume and the available MultiPro™ Tailgate to the Allison® 10-speed pairings and thoughtful camera coverage, this truck is engineered to work smarter. Our consultants will help you select the right trim — Pro, SLE, SLT for everyday utility, AT4 and AT4X for off-road confidence, or Denali and Denali Ultimate for first-class luxury — and we’ll tailor trailering tech to your exact needs. Visit Lewiston Chevrolet GMC to explore cab and bed choices, compare gas and Duramax® diesel power, and experience the difference that intuitive controls and refined dynamics make when towing. The 2025 GMC Sierra 2500 HD near Pullman, WA is built to earn trust the hard way, mile after mile, with a premium edge that makes long days feel shorter. Count on our team at Lewiston Chevrolet GMC to help you spec, upfit, and support your truck so it’s ready for any task on your list.
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