2026 GMC Sierra 2500HD

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

We believe buying a vehicle should be simple and straightforward, which is why every vehicle is priced transparently. You'll know exactly what you're paying, giving you confidence and peace of mind throughout your purchase. - Duramax 6.6L V8 Turbodiesel with 10-Speed Automatic and 4WD - Full Grain Leather Seat Trim with Front Bucket Seats - 16-Way Power Driver Seat Adjuster with Lumbar - 16-Way Power Passenger Seat Adjuster with Lumbar - Heated and Ventilated Driver and Front Passenger Seats - H

eated Second Row Outboard Seats - Bose Premium Series 12-Speaker System with SiriusXM 360L Trial - Multicolor 15" Diagonal Head-Up Display - Premium GMC Infotainment System with Apple CarPlay/Android Auto - HD Surround Vision with Bed View Camera and Trailer Camera Provisions - Automatic Emergency Braking with Forward Collision Alert and Front Pedestrian Braking - Trailer Side Blind Zone Alert with Hitch Guidance and Hitch View - X31 Off-Road Package with Hill Descent Control and Off-Road Suspension - 20" Ultra-Bright Machined Aluminum Wheels - Power Moonroof with Power Sliding Rear Window The 2026 Sierra 2500HD Denali Ultimate represents the pinnacle of heavy-duty truck capability and luxury. Built on the proven Duramax 6.6L V8 Turbodiesel platform, this truck delivers the power you need for demanding work while maintaining the refinement expected in the Denali Ultimate trim. Inside, you'll find a commanding driving environment wrapped in full grain leather and genuine wood accents. The 16-way power adjustable front seats with lumbar support keep you comfortable on long drives, while heated and ventilated functionality adapts to any season. Memory settings preserve your preferred configurations, and the heated steering wheel adds another layer of comfort during cold weather. Technology seamlessly integrates into daily driving through the premium GMC Infotainment System featuring a 15-inch head-up display that keeps critical information in your line of sight. Apple CarPlay and Android Auto connectivity ensure your devices integrate effortlessly, while the Bose premium audio system with SiriusXM 360L trial subscription delivers exceptional sound quality. Wireless charging and multiple USB ports throughout the cabin keep your devices powered. Safety and trailering capability are paramount in this truck. The HD Surround Vision system provides 360-degree visibility, while automatic emergency braking, forward collision alert, and front pedestrian braking actively work to prevent accidents. Trailer technology includes side blind zone alerts, hitch guidance with hitch view, and dedicated trailer camera provisions designed to simplify towing operations. The X31 Off-Road Package equips this truck with hill descent control and an off-road-tuned suspension, ready for adventure beyond paved roads. The Signature Denali Ultimate grille in Vader Chrome commands attention, while 20-inch ultra-bright machined aluminum wheels enhance the aggressive stance. A spray-on pickup bedliner with GMC logo protects your investment. **WARRANTY FOREVER**--Warranty Forever is provided at no cost on all new vehicles, and every pre-owned vehicle under 75K miles, for as long as you own the vehicle. *Maintenance records must be maintained along with all regular scheduled maintenance.