2026 GMC Sierra 2500HD Denali Ultimate Crew Cab 4WD

This 2026 GMC Sierra 2500HD Denali Ultimate in Downpour Metallic blends strength and refinement, driven by a Duramax 6.6L V8 turbodiesel engine, 10-speed automatic, and 4WD. The Crew Cab layout offers generous space, while the Max Trailering and X31 Off-Road packages ensure this truck is ready for demanding tasks or off-road adventures. Inside this Sierra 2500HD Denali Ultimate, Alpine Umber full grain leather seats provide a premium feel, with 16-way power adjustments, memory settings, and both heated and ventilated front seats. Rear outboard seats are also heated. The cabin features a Bose 12-speaker audio system, a 15-inch multicolor head-up display, wireless Apple CarPlay/Android Auto, wireless charging, and a power sunroof. Dual-zone climate control, all-weather floor liners, and multiple USB ports add to the comfort and convenience. Safety is comprehensive, including HD surround vision, forward collision alert, lane departure warning, trailer side blind zone alert, ultrasonic park assist, a safety alert seat, and a theft-deterrent system. Trailering is made easier with a bed view camera, trailer camera provisions, in-vehicle trailering app, and hitch guidance. The exterior features 20-inch ultra-bright machined aluminum wheels, a spray-on bedliner with GMC logo, LED cargo lighting, smoked amber roof marker lamps, power sliding rear window, and deep-tinted glass, combining style and utility for any situation.