2026 GMC Sierra 2500HD Denali Ultimate Crew Cab 4WD

This 2026 GMC Sierra 2500HD Denali Ultimate 4WD in Sterling Metallic is powered by a Duramax 6.6L V8 turbodiesel paired with a 10-speed automatic. Inside this Crew Cab, Alpine Umber full grain leather seats offer 16-way power adjustments, heating, and ventilation for both front occupants, plus heated second-row outboard seats. The cabin features a Bose 12-speaker premium audio system, a 15-inch head-up display, wireless phone projection, wireless charging, and a premium GMC infotainment system with navigation, Apple CarPlay, and Android Auto. Dual-zone climate control, a heated steering wheel, and a power sunroof add comfort. Safety technology includes HD Surround Vision, forward collision alert, lane departure warning, rear cross traffic alert, trailer side blind zone alert, and ultrasonic park assist. Hitch Guidance, trailer camera provisions, and the Max Trailering Package make this Sierra ideal for towing, while the X31 Off-Road Package and off-road suspension boost capability. The exterior stands out with 20-inch ultra-bright machined aluminum wheels, smoked amber roof marker lamps, spray-on bedliner, LED cargo lighting, deep-tinted glass, and the Black Badging Package. A power sliding rear window and bed view camera add convenience.