Experience the power and luxury of the 2025 GMC Sierra 3500HD Denali Ultimate, designed for drivers who demand exceptional capability and refined comfort in every journey.

Built to handle the toughest tasks, this Sierra 3500HD features a Duramax 6.6L Turbo-Diesel V8 engine delivering an impressive 470 horsepower and a staggering 975 lb-ft of torque. Its 10-speed automatic transmission and four-wheel-drive system with a locking limited-slip differential ensure confident performance on any terrain. The integrated tailgate step and power retractable running boards provide effortless access to the bed, which is protected by a durable liner and ready for heavy-duty hauling. Safety is paramount with advanced features like blind spot monitoring, cross-traffic alert, front collision mitigation, and an aerial view display system that offers a comprehensive perspective around the truck. Inside, the Denali Ultimate trim pampers occupants with heated and cooled leather bucket seats, massage functions, and multi-zone climate control for ultimate comfort. The heads-up display and navigation system keep you informed and on course, while the premium sound system and smart device integration ensure entertainment and connectivity on the go. Finished in sleek Onyx Black with rugged all-terrain tires and aluminum wheels, this Sierra 3500HD combines commanding presence with unmatched capability for those who work hard and expect more.