2026 GMC Sierra 3500

This vehicle is at Master Buick GMC in Augusta, GA. - 6.6L V8 Diesel Turbocharged Engine with 10-Speed Automatic and 4WD - Multicolor 15 Diagonal Head-Up Display - HD Surround Vision with Bed View Camera and Trailer Camera Provisions - Premium Bose 12-Speaker Audio System with SiriusXM 360L - Heated and Ventilated Front Seats with 16-Way Power Adjusters and Lumbar Support - Full Grain Leather Seat Trim with Heated Rear Seats - Power Moonroof with Power Sliding Rear Window - Wireless Phone Projection and Wireless Charging - ProGrade Trailering System with Hitch Guidance and in-Vehicle Trailering App - Spray-on Pickup Bedliner with GMC Logo - Signature Denali Ultimate Grille in Vader Chrome with 20 Ultra-Bright Machined Aluminum Wheels - Automatic Emergency Braking with Forward Collision Alert and Rear Cross Traffic Alert - Lane Departure Warning and Trailer Side Blind Zone Alert - Remote Vehicle Starter System with Keyless Open and Start - Off-Road Suspension with 2-Speed Active Transfer Case and Hill Descent Control The 2026 GMC Sierra 3500HD Denali Ultimate in striking white delivers serious capability backed by refined comfort. This diesel-powered truck combines professional-grade towing and hauling capacity with luxury amenities that make every mile rewarding. The 6.6L V8 Diesel Turbocharged engine paired with a 10-Speed Automatic transmission and 4WD ensures dependable performance in varied conditions. Inside, you'll find an environment crafted for those who demand excellence. Full grain leather seats with 16-way power adjusters, lumbar support, heating, and ventilation create a commanding driving position. The Multicolor 15 Head-Up Display and GMC Premium 13.4 Information Display keep critical information at your fingertips. Premium audio through the Bose 12-speaker system with SiriusXM 360L transforms your cab into an entertainment hub. Technology throughout this truck elevates the ownership experience. The HD Surround Vision system with bed-mounted and trailer cameras provides visibility for precise maneuvering. Wireless phone projection and wireless charging integrate seamlessly into modern life. Advanced safety features including Automatic Emergency Braking, Lane Departure Warning, and Rear Cross Traffic Alert work consistently to protect you and your cargo. For those who tow and haul, the ProGrade Trailering System with Hitch Guidance, in-Vehicle Trailering App, and Trailer Side Blind Zone Alert transforms towing into a managed, confident experience. The truck sits on 20 Ultra-Bright Machined Aluminum wheels and wears the distinctive Signature Denali Ultimate Grille in Vader Chrome. A spray-on bedliner with GMC Logo protects your investment. The Denali Ultimate trim represents the pinnacle of Sierra capability. With the X31 Off-Road Package and Off-Road Suspension featuring a 2-Speed Active Transfer Case and Hill Descent Control, this truck transitions seamlessly from highway to challenging terrain. The 3.42 Rear Axle Ratio suppor