2026 GMC Sierra 2500HD Denali Ultimate

Experience commanding power and refined capability with the 2026 GMC Sierra 2500HD Denali Ultimate in striking Downpour Metallic, engineered for demanding drivers who require strength and luxury.

Powered by a Duramax 6.6L Turbo-Diesel V8 engine delivering an impressive 470 horsepower and 975 lb-ft of torque, this 4x4 crew cab pickup is built to handle heavy-duty tasks with confidence. The 10-speed automatic transmission ensures smooth and efficient power delivery, while the locking limited-slip differential enhances traction on challenging terrain. Equipped with all-terrain tires and aluminum wheels, it’s ready for both worksite ruggedness and on-road comfort.

Inside, the Sierra 2500HD Denali Ultimate offers premium leather seats with heating, cooling, and massage functions, plus driver and passenger adjustable lumbar support and memory settings for personalized comfort. The multi-zone climate control and heated steering wheel add to the refined driving experience. Advanced safety features include automatic high beams, blind spot monitoring, lane departure warning, front collision mitigation, and cross-traffic alert, providing peace of mind on every journey.

Convenience is elevated with power retractable running boards, an integrated tailgate step, bed liner, and a gooseneck/5th wheel prep package for serious towing capability. The aerial view display system and heads-up display keep critical information within easy view, making this Sierra a perfect blend of power, luxury, and technology.