2026 GMC Sierra 2500HD AT4
Color: Summit White
Interior: Jet Black with Kalahari Accents
Engine: Duramax 6.6L V8 Turbodiesel
Transmission: 10-Speed Automatic
Drivetrain: 4WD

The 2026 GMC Sierra 2500HD AT4 is a remarkable blend of power and luxury, crafted for those who love adventure without sacrificing comfort. This truck is powered by a robust Duramax 6.6L V8 Turbodiesel engine, paired with a 10-speed automatic transmission. This combination ensures not only impressive towing capabilities but also smooth and adaptive handling, whether you're navigating tough terrains or cruising on highways.

The AT4 trim of the Sierra 2500HD is designed for off-road enthusiasts who demand performance and durability. The 4WD system provides exceptional traction and stability, making it perfect for Oklahoma's varied landscapes. Its Summit White exterior is both striking and timeless, complementing the bold and athletic stance of the truck.

Step inside, and you'll experience a cabin that balances rugged style with premium comfort. The interior is decked out in Jet Black with Kalahari Accents, creating a sophisticated yet adventurous atmosphere. The spacious 4D Crew Cab design ensures ample room for passengers and cargo, making it ideal for both work and leisure.

The Sierra 2500HD AT4 is not just about power and looks; it also features advanced technology for enhanced safety and connectivity. Whether you're going on a long road trip or handling daily commutes, this vehicle offers features that cater to modern needs while maintaining GMC’s commitment to reliability and craftsmanship.

The 2026 GMC Sierra 2500HD AT4 is a vehicle for those who live life boldly and desire a truck that can keep up with their lifestyle. As we say here at Joe Cooper Chevrolet GMC Cadillac of Shawnee, "Who loves ya', Oklahoma?" This truck certainly will.