2026 GMC Sierra 2500HD

Dealer-supplied vehicle comments. Request current pricing and purchase terms in writing from the dealership.

Come see why driving a GMC isn't just transportation—it's an upgrade to everything you expect on the road. - Duramax 6.6L V8 Turbodiesel engine with 470 hp and 975 lb-ft of torque - AT4 Premium Plus Package with power sunroof and Technology Package - 4WD with 2-Speed Active Transfer Case and Hill Descent Control - Power-retractable black assist steps with LED lighting - Gooseneck/5th Wheel Prep Package for heavy hauling capability - 220-Amp Alternator and Heavy-Duty 80 Amp Battery - Heated and v

entilated leather front seats with 10-way power driver adjustment - Multicolor 15" Diagonal Head-Up Display - HD Surround Vision with Bed View Camera - Premium Bose 7-speaker audio system with Apple CarPlay and Android Auto - Wireless charging and wireless phone projection - Off-road high clearance step and X31 Off-Road Package - 3 years OnStar One and 3 years SiriusXM - Spray-on pickup bedliner with GMC logo - Automatic Emergency Braking and Trailer Side Blind Zone Alert This 2026 Sierra 2500HD AT4 represents the pinnacle of heavy-duty capability matched with refined comfort. With the legendary Duramax diesel engine producing 975 lb-ft of torque, this truck handles demanding work with authority while the 10-speed automatic transmission ensures smooth, efficient power delivery across all driving conditions. The 4WD system and advanced transfer case provide the traction and control you need on any terrain. The AT4 Premium Plus Package elevates your experience with premium features designed for serious drivers. The power sunroof opens your cab to the sky, while the integrated Technology Package brings connectivity and convenience to every journey. Heated and ventilated leather seating keeps you comfortable through long hauls, whether cruising highways or tackling off-road trails. Advanced safety technology surrounds you with confidence. The HD Surround Vision system, Automatic Emergency Braking, and Trailer Side Blind Zone Alert work together to protect you and your cargo. Lane Departure Warning, Forward Collision Alert, and Rear Cross Traffic Alert add layers of security for your peace of mind on the road. The Gooseneck/5th Wheel Prep Package transforms this truck into a serious towing platform. With the prepared hitch platform, bed-mounted 7-pin trailer harness, and stamped bed holes, you're equipped to handle premium trailers and gooseneck configurations. The in-vehicle trailering system app and trailer camera provisions make towing intuitive and safer. Premium comfort features make every drive more enjoyable. The Bose audio system delivers exceptional sound quality, while Apple CarPlay and Android Auto keep you connected. Wireless charging, the multicolor head-up display, and heated steering wheel demonstrate attention to the details that matter. Three years of OnStar One service and SiriusXM keep you informed and entertained. At the end of the day, the right vehicle doesn't just get you where you're going—it changes how you feel getting there. That's exactly what GMC delivers. Smooth, stylish, and packed with features you'll appreciate every single drive. Don't just take our word for it—come experience it for yourself. Stop by today, take a seat behind the wheel, and see why so many drivers are making the switch to GMC. Your next upgrade is waiting. Exp. 11/02/2026