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Premium interior materials with heated and ventilated seats
Infotainment system with 13.4-inch touchscreen display
Comprehensive safety features including forward collision alert
All-terrain tires with aggressive tread design
Performance
The 2026 GMC Sierra 2500HD AT4 is powered by the robust DURAMAX 6.6L Turbo-Diesel V8 engine, delivering an impressive balance of power and efficiency. Its B20-Diesel compatibility ensures you can opt for renewable fuel sources, reducing your carbon footprint while boasting an extraordinary towing capacity. With a refined 10-speed automatic transmission, this truck provides smooth acceleration and responsive handling in various driving conditions.
Design
Finished in a striking Titanium Rush Metallic, the 2026 Sierra 2500HD AT4 exudes confidence and rugged elegance. The bold front grille is complemented by signature LED headlights, ensuring visibility while adding a touch of sophistication. Its muscular stance is enhanced by elevated ground clearance and protective skid plates, making it an ideal companion for off-road adventures.
Interior Comfort and Technology
The interior is designed for maximum comfort and functionality. Premium materials greet you as you enter, and the spacious cabin offers ample room for both driver and passengers. The AT4 trim incorporates heated and ventilated seats, providing comfort in any weather. The state-of-the-art infotainment system features a large 13.4-inch touchscreen display, supporting Apple CarPlay and Android Auto for seamless smartphone integration.
Safety Features
Safety is paramount in the GMC Sierra 2500HD AT4. The vehicle comes equipped with a comprehensive suite of advanced safety features, including forward collision alert, lane departure warning, and a rearview camera system. These technologies not only enhance driving confidence but also promote peace of mind on every journey.
Conclusion
The 2026 GMC Sierra 2500HD AT4 combines incredible performance, cutting-edge technology, and rugged design, making it a standout choice for those who demand both capability and comfort in a heavy-duty truck.
* Every reasonable effort is made to ensure the accuracy of the information listed above. Vehicle pricing, incentives, options (including standard equipment), and technical specifications listed is for the 2026GMCSierra 2500HD AT4 4x4 Crew Cab 6.75 ft. box may not match the exact vehicle displayed. Please confirm with a sales representative the accuracy of this information.
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Stackable vs Non-Stackable: Stackable incentives are discounts that can be combined with cash, finance and/or lease rates should you qualify for them. Please contact a sales representative for more information.