Experience uncompromising power and luxury with the 2026 GMC Sierra 3500HD Denali Ultimate, designed for those who demand exceptional capability and refined comfort in every drive.

Built to tackle the toughest jobs, this Sierra 3500HD features a robust Duramax 6.6L Turbo-Diesel V8 engine delivering an impressive 470 horsepower and a staggering 975 lb-ft of torque. Whether hauling heavy trailers or navigating rugged terrain, the 4x4 drivetrain with locking limited-slip differential ensures superior traction and control. The integrated tailgate step and power retractable running boards provide effortless access to the bed, which is protected by a durable liner, making loading and unloading more efficient.

Inside, the Denali Ultimate trim pampers you with heated and cooled leather bucket seats, complete with driver and passenger lumbar adjustments and seat massage functionality, ensuring comfort during long hauls. Advanced safety technologies such as blind spot monitoring, front collision mitigation, and adaptive cruise control enhance confidence on every journey. The aerial view display system and heads-up display keep critical information within sight, while the premium sound system and WiFi hotspot keep you connected and entertained.

Finished in striking Onyx Black and equipped with aluminum wheels wrapped in all-terrain tires, this Sierra 3500HD is as commanding on the road as it is in the yard. For those who require power, precision, and prestige, this truck is ready to perform.