Experience the power and capability of the 2026 GMC Sierra 2500HD AT4X in striking Volcanic Red Tintcoat, designed for demanding work and rugged adventures.

Powered by a Duramax 6.6L Turbo-Diesel V8 engine producing 470 hp and an impressive 975 lb-ft of torque, this 4x4 crew cab truck offers exceptional towing strength. The 10-speed automatic transmission and locking limited-slip differential ensure smooth, confident handling on any terrain. The Gooseneck/5th Wheel Prep Package provides a versatile hitch platform ready for heavy-duty towing needs.

Inside, the Obsidian Rush interior features full-grain leather seats with heating, cooling, and massage functions for front occupants, plus heated rear seats. Power-adjustable driver and passenger seats with lumbar support and seat memory enhance comfort on long hauls. The leather-wrapped steering wheel includes heating and audio controls for convenience.

Safety is comprehensive with features like Blind Spot Monitor, Cross-Traffic Alert, Front Collision Mitigation, Lane Departure Warning, and Automatic Highbeams. The Aerial View Display System and Back-Up Camera improve visibility, while power retractable running boards and an integrated tailgate step aid access.

Built tough with aluminum wheels, bed liner, tow hooks, and a conventional spare tire, the Sierra 2500HD AT4X is ready for your toughest jobs and off-road challenges.