New 2026 GMC Sierra 3500HD

Experience commanding power and advanced technology with the 2026 GMC Sierra 3500HD Denali Crew Cab, designed for drivers who demand capability and comfort in every drive.

Powered by a Duramax 6.6L Turbo-Diesel V8 engine delivering an impressive 470 hp and 975 lb-ft of torque, this 4x4 pickup is built to handle the toughest jobs with ease. The 10-speed automatic transmission and locking limited-slip differential enhance control and performance on any terrain. Equipped with all-terrain tires and aluminum wheels, the Sierra 3500HD is ready for rugged conditions, while running boards and an integrated tailgate step provide convenient access to the bed, which features a durable liner for added protection.

Inside, the Denali trim offers premium leather bucket seats with heating, cooling, and power adjustments, including driver and passenger lumbar support and memory settings. The rear bench seat includes heated seating and a pass-through for added versatility. Safety is prioritized with features such as automatic high beams, blind spot monitoring, front collision mitigation, lane departure warning, and a comprehensive airbag system. Advanced driver aids include adaptive cruise control, an aerial view display system, and a back-up camera, ensuring confidence on every journey.

With smart conveniences like remote engine start, keyless entry and start, power folding heated mirrors, and a premium sound system, the Sierra 3500HD Denali blends rugged capability with refined comfort for the discerning driver.