Experience the 2026 GMC Sierra 3500HD Denali Ultimate – a commanding diesel powerhouse designed for those who demand unmatched capability, luxury, and advanced technology in every journey.

Built to conquer the toughest jobs, the 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 4x4 drivetrain with locking limited-slip differential ensure exceptional control and traction, whether hauling heavy loads or navigating rugged terrain. The integrated tailgate step and power retractable running boards make access effortless, while the all-terrain tires and tow hooks prepare you for any challenge.

Inside, refined leather bucket seats with heating, cooling, massage functions, and adjustable lumbar support provide unparalleled comfort during long hauls. The multi-zone climate control and heated steering wheel add to the premium cabin experience. Advanced safety features like blind spot monitoring, front collision mitigation, lane departure warning, and an aerial view display system keep you confident on every drive.

With smart device integration, a premium sound system, navigation, and a heads-up display, the Sierra 3500HD Denali Ultimate combines rugged capability with sophisticated technology — the ultimate tool for professionals who demand excellence on and off the road.