New 2026 GMC Sierra 2500HD

Experience the power and capability of the 2026 GMC Sierra 2500HD AT4, designed for demanding tasks with advanced safety and premium comfort features.

This rugged 4x4 crew cab pickup comes equipped with a robust 6.6L V8 gasoline engine delivering 401 horsepower and 464 lb-ft of torque, paired with a smooth 10-speed automatic transmission. Its heavy-duty frame includes a locking limited-slip differential and a gooseneck/5th wheel prep package, featuring a hitch platform and bed-mounted 7-pin trailer harness, making it ideal for towing large trailers with confidence.

The exterior in striking Onyx Black is complemented by aluminum wheels, running boards, integrated tailgate step, and a durable bed liner, ensuring both style and utility. Safety is paramount with features such as automatic high beams, blind spot monitoring, lane departure warning, front collision mitigation, cross-traffic alert, and multiple airbags for comprehensive protection.

Inside, the cabin blends Jet Black and Kalahari tones with leather bucket seats that are heated and cooled up front, plus heated rear seats. Power-adjustable driver and passenger seats with lumbar support and memory settings enhance comfort on long drives. Advanced tech includes an aerial view display system, adaptive cruise control, remote engine start, and a premium sound system with Bluetooth connectivity.

Built to perform and protect, the Sierra 2500HD AT4 is ready for your toughest jobs and longest journeys.