2026 GMC Sierra 2500

The 2026 GMC Sierra 2500HD Denali Ultimate represents a pinnacle of heavy-duty truck capability, engineered to handle demanding work while delivering refined comfort and advanced technology for every mile you travel. - Duramax 6.6L V8 Turbodiesel Engine with 10-Speed Automatic and 4WD - Bose Premium Series 12-Speaker Audio System with SiriusXM 360L - Multicolor 15 Diagonal Head-Up Display - HD Surround Vision with Bed View Camera and Trailer Cameras - Heated and Ventilated Leather Front Seats with 16-Way Power Adjustment - Power Sunroof - Wireless Phone Projection and Apple CarPlay/Android Auto Integration - Automatic Emergency Braking with Forward Collision Alert - Trailer Tire Pressure Monitor Sensors and Hitch Guidance with Hitch View - X31 Off-Road Package with Hill Descent Control and 2-Speed Active Transfer Case - Gooseneck/5th Wheel Prep Package with Upfitter Switch Kit - Ultrasonic Front and Rear Park Assist - 20 Ultra-Bright Machined Aluminum Wheels - Signature Denali Ultimate Grille in Vadar Chrome - Spray-on Pickup Bedliner with GMC Logo This Sierra 2500HD combines muscular diesel power with the Denali Ultimate's luxury appointments. The Duramax turbodiesel engine paired with the 10-Speed Automatic transmission delivers the capability to tackle heavy loads while the 4WD system ensures confident control across varied terrain. The sophisticated exterior, finished in crisp white with the distinctive Denali Ultimate Grille, commands attention on any road. Inside, you'll find refinement throughout the cabin. The front bucket seats offer heated and ventilated leather with 16-way power adjustment, while the power sunroof floods the interior with natural light. The Bose premium audio system combined with SiriusXM 360L subscription delivers premium entertainment, while wireless phone projection and Apple CarPlay/Android Auto keep you seamlessly connected to your digital world. Technology enhances both safety and capability. The 15 Head-Up Display projects critical information directly into your line of sight, while the HD Surround Vision system with multiple camera perspectives helps you navigate tight spaces and backing situations with confidence. Automatic Emergency Braking, Forward Collision Alert, and Rear Cross Traffic Alert work together to support your awareness and reaction time on the road. For those who work with their trucks, this Sierra is equipped for serious duty. The X31 Off-Road Package, Hill Descent Control, and 2-Speed Active Transfer Case provide the tools for challenging conditions. The Gooseneck/5th Wheel Prep Package and Trailer Tire Pressure Monitor Sensors make towing seamless and secure, while the in-vehicle Trailering System keeps you informed in real time. This vehicle arrives as a clean Carfax, one-owner, local trade from a non-smoker, adding confidence to your purchase decision. Every detail reflects GMC's commitment to building trucks that work as hard as their owners do. Why buy from Greg Lair GMC? It's a great qu