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The 2026 GMC Sierra 2500HD AT4 is a true workhorse built to take on any challenge. Featuring a powerful Duramax 6.6L V8 Turbodiesel engine and a rugged 4WD system, this truck is ready to tackle the toughest terrain.
- Coastal Dune Tan exterior with Black Badging Package
- Engine Block Heater
- AT4 Premium Plus Package with Power Sunroof, Technology Package, and High Clearance Step
- 22" Gloss Black Aluminum Wheels with All-Terrain Tires
- Sport Pedal Cover Kit
- Gooseneck/5th Wheel Prep Package
Inside, you'll find premium amenities like the Bose 7-speaker sound system, heated and ventilated front seats, and a 15" Head-Up Display. The spacious cabin offers ample room for passengers and cargo, with a lockable Spray-on Bedliner to handle your toughest hauling needs.
With its impressive capability, rugged good looks, and thoughtful features, the 2026 GMC Sierra 2500HD AT4 is the ultimate companion for your next adventure. Schedule a test drive today and experience the power and versatility of this exceptional truck.