2026 GMC Sierra 2500HD Denali Ultimate Crew Cab 4WD

This 2026 GMC Sierra 2500HD Denali Ultimate 4WD in Sterling Metallic features a powerful Duramax 6.6L V8 turbodiesel engine paired with a 10-speed automatic, making it ideal for heavy-duty tasks and towing. The Crew Cab layout offers generous space, while the X31 Off-Road Package and Gooseneck/5th Wheel Prep Package add serious capability for work or adventure. Inside this Sierra, Alpine Umber full grain leather seat trim and 16-way power-adjustable front seats with lumbar support provide exceptional comfort. Heated and ventilated front seats, heated second-row outboard seats, a heated steering wheel, and dual-zone climate control ensure a premium experience. The cabin includes a 15-inch multicolor head-up display, Bose 12-speaker audio, a power sunroof, wireless charging, Apple CarPlay/Android Auto, and a premium GMC Infotainment system. Safety and trailering are top priorities with HD Surround Vision, heads-up display, following distance indicator, forward collision alert, lane departure warning, rear cross traffic alert, trailer side blind zone alert, hitch guidance with Hitch View, and ultrasonic park assist. Trailer Cam Provisions, tire pressure monitoring, and an in-vehicle trailering app further support towing needs. The exterior stands out with 20-inch ultra-bright machined aluminum wheels, the signature Denali Ultimate grille in Vadar Chrome, LED cargo lighting, smoked amber roof marker lamps, spray-on bedliner, and deep-tinted glass, giving this Sierra a commanding and refined presence.