Experience the power and refinement of the 2026 GMC Sierra 3500HD Denali Ultimate, engineered for demanding work and exceptional comfort in every mile.

Built to conquer the toughest jobs, the Sierra 3500HD Denali Ultimate boasts a Duramax 6.6L turbo-diesel V8 engine delivering an impressive 470 horsepower and a staggering 975 lb-ft of torque. Its advanced 10-speed automatic transmission and 4x4 drivetrain with locking limited-slip differential ensure maximum control and capability 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 complemented by all-terrain tires for superior traction.

Inside, this crew cab pickup offers heated and cooled leather seats with massage functions and memory settings for both driver and passenger, ensuring comfort during long hauls. The heads-up display and aerial view camera system enhance situational awareness, while adaptive cruise control and lane departure warning contribute to safer driving. Blind spot monitoring and cross-traffic alerts provide added confidence when towing or manoeuvring in tight spaces.

Finished in striking Downpour Metallic, the Sierra 3500HD Denali Ultimate combines rugged capability with premium features tailored to professionals who demand strength, luxury, and advanced technology in their work truck.