2026 GMC Sierra 2500

ALL VEHICLES SUBJECT TO A $225 DEALER DOC FEE. NEW VEHICLES PRE-LOADED WITH OUR VIP PACKAGE FOR $2995. THIS INCLUDES 1 YEAR OIL CHANGES AND TIRE ROTATIONS. ONE YEAR INTERIOR AND EXTERIOR PROTECTION. WINDOW TINT, ALL-WEATHER FLOOR MATS, AND WHEEL LOCKS. 1 YEAR THEFT PROTECTION. LIFETIME POWERTRAIN WARRANTY* SOME EXCLUSIONS APPLY TO THE LIFETIME WARRANTY- 6.6L V8 Diesel Turbocharged engine with 10-Speed Automatic transmission and 4WD- 20'' Ultra-Bright Machined Aluminum wheels- Full Grain Leather Seat Trim with 16-Way Power Driver and Passenger Seat Adjusters with Lumbar- Heated and Ventilated Driver and Front Passenger Seats- Spray-on Pickup Bedliner with GMC Logo- Multicolor 15'' Diagonal Head-Up Display- Premium GMC Infotainment System with Apple CarPlay and Android Auto- Bose Premium Series 12-Speaker System with SiriusXM with 360L Trial Subscription- Bed View Camera with Two Trailer Camera Provisions and HD Surround Vision- Power Sunroof- Wireless Charging and Wireless Phone Projection- Automatic Emergency Braking with Front Pedestrian Braking- X31 Off-Road Package with Hill Descent Control and 2-Speed Active Transfer Case- Technology Package- OnStar Services Capable with Emergency Communication SystemThis 2026 GMC Sierra 2500HD Denali Ultimate delivers capability and luxury in a package built for those who demand both. Finished in white, this heavy-duty truck commands attention with its Signature Denali Ultimate Grille in Vadar Chrome and distinctive LED appointments, including smoked amber roof marker lamps and LED cargo area lighting. The truck rides on 20'' ultra-bright machined aluminum wheels and features a spray-on pickup bedliner with GMC logo, protecting your investment while maintaining the premium aesthetic you expect from the Denali Ultimate nameplate.Power and performance define the heart of this machine. The 6.6L V8 Diesel Turbocharged engine pairs with a 10-Speed Automatic transmission and standard 4WD, delivering the torque and capability serious truck owners require. The X31 Off-Road Package enhances this capability with hill descent control and a 2-Speed Active Transfer Case, ensuring confidence on any terrain. A 3.42 axle ratio and dual heavy-duty 70 amp battery support demanding work and towing scenarios.The interior combines functionality with refined comfort. Full grain leather seat trim greets you each time you climb in, while heated and ventilated driver and front passenger seats adjust via 16-way power controls with lumbar support. The driver's seat features memory settings, and heated rear seats keep passengers comfortable. A genuine wood dashboard insert and wood door panel inserts add warmth to the cabin, while an overhead console and floor-mounted center console provide organization for your essentials.Technology seamlessly integrates into your daily drive. The multicolor 15'' diagonal head-up display keeps vital information in view without distraction. The Premium GMC Infotainment System connects via Apple CarPlay and Android Auto, with smartphone projection available wirelessly. Steering wheel audio controls and a Bose Premium Series 12-speaker system with SiriusXM with 360L trial subscription deliver your entertainment. Two USB charge/data ports inside the center console and two additional charge-only rear USB ports keep devices powered.Safety and visibility receive comprehensive attention. Automatic emergency braking with front pedestrian braking helps avoid collisions, while lane departure warning and forward collision alert systems assist your awareness. Ultrasonic front and rear park assist guides precision maneuvers, and a bed view camera with trailer camera provisions and HD surround vision ensures you see everything. Rear cross traffic alert and trailer side blind zone alert technology complete the safety suite. A power moonroof with rain-sensing wipers and fully automatic headlights with auto high-beam and delay-off functions round out the experience.Conven