2026 GMC Sierra 2500HD Denali Ultimate Crew Cab 4WD

This 2026 GMC Sierra 2500HD Denali Ultimate 4WD in Glacier White Tricoat is powered by a Duramax 6.6L V8 Turbodiesel and 10-speed automatic, delivering exceptional strength for towing and hauling. The Crew Cab layout ensures plenty of space, and the X31 Off-Road and Gooseneck/5th Wheel Prep Packages make this truck ready for tough jobs and off-road adventures. Inside this Sierra 2500HD Denali Ultimate, Alpine Umber full grain leather seats offer 16-way power adjustment with lumbar and memory settings for both front occupants, as well as heating and ventilation. The second row features heated outboard seats. Premium touches include a Bose 12-speaker audio system, a 15-inch multicolor head-up display, wireless charging, and the GMC Infotainment System with wireless Apple CarPlay/Android Auto. Dual-zone climate control, a power sunroof, and multiple USB ports add comfort and convenience. Safety is comprehensive, with HD Surround Vision, lane departure warning, rear cross traffic alert, trailer side blind zone alert, ultrasonic park assist, trailer tire pressure monitoring, and an unauthorized entry theft-deterrent system. Hill descent control, hitch guidance, and a full trailering app make towing and maneuvering easier and safer. The exterior stands out with 20-inch ultra-bright machined aluminum wheels, a signature Denali Ultimate grille in Vader Chrome, LED smoked amber roof marker lamps, a spray-on bedliner with GMC logo, rain-sensing wipers, and LED cargo area lighting, giving this Sierra 2500HD Denali Ultimate a commanding and refined presence.