2026 GMC Sierra 2500 HD in Chapmanville, WV
2026 GMC Sierra 2500 HD at Thornhill GM Superstore in Chapmanville, WV
For those who demand unshakable strength, advanced technology, and relentless performance from their truck, the 2026 GMC Sierra 2500 HD is the heavy-duty workhorse built to meet every challenge. Available now at Thornhill GM Superstore in Chapmanville, WV, the 2026 Sierra HD lineup includes Pro, SLE, SLT, AT4, AT4X, Denali, and Denali Ultimate trims, each one engineered for serious hauling, towing, and trailering tasks.
With an imposing stance, bold detailing, and segment-leading available features like the MultiPro tailgate, ProGrade Trailering System, and up to 14 available camera views, this heavy-duty truck is built to outperform rivals like the Ford Super Duty and Chevrolet Silverado 2500HD. Whether you're handling commercial contracts, long hauls, or weekend trailer pulls, the Sierra 2500 HD delivers unmatched utility and premium comfort without compromising on power or control.
Built to Handle the Long Haul: Sierra 2500 HD Interior
Inside the 2026 GMC Sierra 2500 HD, utility meets refinement. The cabin seats up to five and is built for comfort during long drives, with spacious accommodations in both rows. Every trim offers different seat trims ranging from vinyl and durable cloth to full-grain leather, while features like heated and ventilated front seats, heated rear outboard seats, and dual-zone automatic climate control are available depending on configuration.
Interior highlights include:
- Heated and ventilated front bucket seats with 10-way power and lumbar support
- Heated rear outboard seats and dual-zone automatic climate control
- Premium floor liners with removable carpet inserts
- Up-level rear seat with under-seat storage and console-mounted safe
- Wireless charging, USB ports, and rear air vents for passenger comfort
Dimensions offer 44.53 inches of front legroom, 43.40 inches of rear legroom, and 66.02 inches of shoulder room up front. Storage is smart and secure, from under-seat compartments to lockable center console bins.
Power Meets Presence: Sierra 2500 HD Exterior Design
From every angle, the Sierra 2500 HD projects strength. Available exterior features include power-retractable assist steps with LED perimeter lighting, black or chrome mirror caps, and body-color bumpers depending on the trim. The bed is more than just a box, it’s a workspace, with available LED lighting, 120-volt power outlets, multiple tie-downs, and the versatile MultiPro Tailgate.
Each trim offers specific wheel designs from 17-inch steel to 22-inch gloss black aluminum. Unique exterior accents like Vader Chrome on Denali Ultimate and black badging packages give each trim its own signature look.
Available exterior paint colors include:
- Summit White
- Coastal Dune
- Downpour Metallic
- Cardinal Red
- Onyx Black
- Sterling Metallic
And thanks to standard spray-on bedliners, side bed steps, and tailgate lighting, this heavy-duty truck is as functional as it is commanding.
Performance that Works as Hard as You Do
When the job calls for serious muscle, the 2026 GMC Sierra 2500 HD delivers with two proven powertrains. The standard 6.6-liter V8 engine is matched to a 10-speed automatic transmission, while the available Duramax 6.6-liter turbo-diesel V8 ramps up towing capability and includes features like diesel exhaust braking and heavy-duty dual batteries.
Powertrain highlights include:
- 6.6-liter V8 engine with a 10-speed automatic transmission
- Available 6.6-liter Duramax turbo-diesel V8 with diesel exhaust brake and integrated trailer brake controller
- Four-wheel drive standard on most trims, with available digital variable steering assist
- Fully boxed high-strength steel frame
- Autotrac two-speed transfer case with push-button controls
When properly equipped, the Sierra 2500 HD offers a maximum towing capacity of up to 22,390 pounds and a maximum payload rating exceeding 4,000 pounds. Hitch Guidance with Hitch View, Trailer Tire Pressure Monitoring, and Trailer Side Blind Zone Alert work together to keep trailer connections secure and confidence high, even when the road gets rough.
Technology You Can Count On
Tech in the 2026 GMC Sierra 2500 HD is designed to enhance usability and keep drivers informed, connected, and in control. The cabin features a standard 13.4-inch diagonal GMC Premium Infotainment System with Google built-in, plus a 12.3-inch digital driver information center and available head-up display.
Technology features include:
- 13.4-inch infotainment touchscreen with wireless Apple CarPlay® and Android Auto™
- 12.3-inch digital instrument cluster with customizable layouts
- Google built-in with Google Maps, Assistant, and Play Store
- Head-up display (available on select trims)
- Bose® Premium Sound System or 12-speaker Centerpoint system (available on Denali and Denali Ultimate)
- MultiPro Tailgate Audio System by KICKER®
- In-Vehicle Trailering App with trailer profiles, mileage, and diagnostics
- Available Multi-View Camera system with up to 14 camera views, including Transparent Trailer View
Whether you’re backing up a trailer, navigating a tight job site, or cruising with a load, this truck’s tech suite offers critical visibility and simplified control.
Safety that’s Always on Watch
Built with the working driver in mind, the 2026 Sierra 2500 HD includes a long list of standard and available active safety features across the lineup. The GMC Pro Safety suite is included on every trim and extends with available Pro Safety Plus features as you move up the lineup.
Standard and available safety features include:
- Automatic Emergency Braking and Front Pedestrian Braking
- Forward Collision Alert and Lane Departure Warning
- Adaptive Cruise Control with trailering support
- Trailer Side Blind Zone Alert and Rear Cross Traffic Alert
- Bed View Camera and HD Surround Vision
- Hitch Guidance and Hitch View
- Rear Seat Reminder and Following Distance Indicator
- Safety Alert Seat and Buckle to Drive
For added peace of mind, the Sierra HD also features a theft-deterrent system, integrated trailer brake controller, Teen Driver monitoring, and StabiliTrak with electronic stability control and traction control.
Experience the 2026 Sierra 2500 HD at Thornhill GM Superstore
When your job, your gear, or your lifestyle demands something bigger, the 2026 GMC Sierra 2500 HD answers with unwavering strength, advanced features, and tech that works for you. From the worksite to the weekend, it’s the heavy-duty pickup that’s ready for anything.
Test drive the new 2026 GMC Sierra HD at Thornhill GM Superstore in Chapmanville, WV, and find out how this heavy-duty truck stands above the rest. Whether you're comparing it to the Chevrolet Silverado 2500HD, checking out other vehicles like the GMC Canyon, or upgrading from your current truck, the Sierra HD is built to move what matters.
*Disclaimer: This content was drafted with AI assistance for initial drafting, reviewed by a subject-matter expert for accuracy, and edited by our team of writers and editors.