2026 GMC Sierra 3500

Auto Gallery Chevrolet GMC is always Striving for Excellence Come see us and find out why we have That Hometown Feel and how we make Big City Deals!- Duramax 6.6L V8 Turbodiesel with 10-Speed Automatic and 4WD- Gooseneck/5th Wheel Prep Package with hitch platform- ProGrade Trailering System with in-vehicle app and camera provisions- Multicolor 15 Diagonal Head-Up Display- Premium GMC Infotainment System with 13.4 touchscreen- Bose Premium Series 12-Speaker System with SiriusXM 360L- Black Badging Package with Signature Denali Ultimate Grille- HD Surround Vision with exterior parking camera and bed view camera- 16-Way Power Driver and Passenger Seats with lumbar support and ventilation- Full Grain Leather Seat Trim with heated and ventilated front seats- Heated rear seats with power moonroof- All-Weather Floor Liners for first and second rows- Wireless charging and wireless phone projection- Mobile Service Plus for 3 years of service convenience- Spray-on bedliner with GMC logoThis 2026 GMC Sierra 3500HD Denali Ultimate arrives finished in Blue Downpour Metallic with premium appointments throughout. The cabin features genuine wood dashboard and door panel inserts paired with full grain leather seating, creating an upscale environment that doesn't sacrifice capability. Memory seats, heated and ventilated front positions, and heated rear outboard seats ensure comfort across all weather conditions and road surfaces.The advanced technology suite includes a 13.4-inch premium infotainment display, multicolor 15-inch head-up display, and wireless phone projection to keep you connected while driving. The Bose Premium Series audio system with 12 speakers and SiriusXM 360L trial subscription delivers quality entertainment, while steering wheel audio controls maintain focus on the road. Automatic emergency braking, lane departure warning, forward collision alert, and rear cross traffic alert work together to provide confident operation in diverse driving conditions.Trailering capabilities are engineered into this truck through the ProGrade Trailering System, Gooseneck/5th Wheel Prep Package with platform and 7-pin trailer harness, and trailer tire pressure monitor sensors. The in-vehicle trailering app simplifies hitching, while trailer side blind zone alert and hitch guidance with hitch view camera system enhance safety during towing operations. Bed view camera provisions and two additional trailer camera ports give you complete visibility.The exterior reflects the Denali Ultimate identity with the signature grille in Vader Chrome, black GMC emblems, and black Sierra nameplates. LED cargo area lighting and smoked amber roof marker lamps provide functional style, while the spray-on bedliner with GMC logo protects the truck bed. Twenty-inch ultra-bright machined aluminum wheels and rain-sensing wipers round out the refined package.The Duramax 6.6L V8 Turbodiesel engine paired with the 10-Speed Automatic transmission and 4WD system delivers the power and c