Experience commanding power and refined capability with the 2026 GMC Sierra 3500HD Denali Ultimate, designed for those who demand performance and luxury in a heavy-duty truck.

This new Sierra 3500HD features a robust Duramax 6.6L Turbo-Diesel V8 engine delivering an impressive 470 horsepower and 975 lb-ft of torque, perfect for tackling the toughest jobs with ease. Equipped with a 10-speed automatic transmission and advanced four-wheel drive system, including a locking limited-slip differential, this truck ensures optimal traction and control in all conditions. The crew cab with a long bed offers spacious comfort, highlighted by leather bucket seats with heating, cooling, massage functions, and adjustable lumbar support for both driver and passenger. Memory settings add convenience for multiple drivers.

Safety is paramount with features like automatic high beams, blind spot monitoring, cross-traffic alert, lane departure warning, and front collision mitigation. The integrated aerial view display system and back-up camera enhance maneuverability, while power retractable running boards and an integrated tailgate step provide easy access. Aluminum wheels with all-terrain tires, a bed liner, tow hooks, and a tow hitch complete this rugged yet sophisticated package. Finished in striking Polar White Tricoat, the Sierra 3500HD Denali Ultimate combines durability, comfort, and advanced technology for the discerning driver.