Disclaimer:
The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.
1Dealer Discount applied to everyone
Elevate your driving experience with the exceptional 2026 GMC Sierra 2500HD AT4. This powerful and capable truck is built to conquer any terrain, delivering unparalleled performance and uncompromising style.
- Apple/Android CarPlay
- Bose Premium 7-Speaker Sound System
- Heated Steering Wheel
- Heated/Cooled Seats
- Duramax 6.6L V8 Turbodiesel Engine
- 10-Speed Automatic Transmission
- 4-Wheel Drive
- AT4 Preferred Package
- AT4 Premium Plus Package
- Gooseneck/5th Wheel Prep Package
- Technology Package
- X31 Off-Road Package
- Bose Premium 7-Speaker Sound System
- Universal Home Remote
- Off-Road Suspension
- LED Smoked Amber Roof Marker Lamps
- Inside Rearview Auto-Dimming Rear Camera Mirror
Beneath its bold and rugged exterior, the Sierra 2500HD AT4 is a true workhorse, engineered to tackle the toughest jobs with ease. The powerful Duramax 6.6L V8 Turbodiesel engine delivers an impressive 470 horsepower and 975 lb-ft of torque, ensuring you have the muscle to conquer any challenge. Paired with a smooth-shifting 10-speed automatic transmission, this truck is ready to handle even the most demanding towing and hauling tasks.
The AT4 trim level takes the Sierra's off-road capabilities to new heights, with features like the X31 Off-Road Package, Hill Descent Control, and Off-Road Suspension. Whether you're navigating rugged terrain or traversing snow-covered roads, the Sierra 2500HD AT4 will keep you in control and confident behind the wheel.
Inside, the Sierra 2500HD AT4 pampers you with a wealth of premium amenities. The Bose Premium 7-Speaker Sound System provides a concert-hall experience, while the heated and ventilated seats, heated steering wheel, and dual-zone automatic climate control ensure your comfort in any weather. The state-of-the-art infotainment system with Apple CarPlay and Android Auto integration keeps you connected and entertained on the go.
Safety is also a top priority, with advanced driver assistance technologies like Automatic Emergency Braking, Forward Collision Alert, and Rear Cross Traffic Alert working tirelessly to protect you and your passengers.
Experience the uncompromising power, capability, and luxury of the 2026 GMC Sierra 2500HD AT4. Visit our showroom today and let us demonstrate how this exceptional truck can elevate your driving experience.