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
Price includes: $1000 - Purchase Allowance. Exp. 06/30/2026 Engineered to conquer every terrain, the 2026 GMC Sierra 2500HD AT4 is a true off-road powerhouse. Equipped with the legendary Duramax 6.6L V8 Turbodiesel engine, this Sierra boasts an impressive 470 horsepower and an astounding 975 lb-ft of torque, delivering unparalleled capability.
- 6.6L V8 Diesel Turbocharged (Duramax) (B20-Diesel Compatible)
- AT4 Preferred Package
- AT4 Premium Plus Package
- Gooseneck/5th Wheel Prep Package
- Hitch Package
- Preferred Equipment Group 4SB
- Technology Package
- X31 Off-Road Package
- Bose Premium 7-Speaker Sound System
- SiriusXM with 360L Trial Subscription
- Steering Wheel Audio Controls
- Electric Rear-Window Defogger
- 120-Volt Bed Mounted Power Outlet
- 120-Volt Instrument Panel Power Outlet
- Push Button Start
- Remote Vehicle Starter System
- Universal Home Remote
Expertly engineered for the most demanding adventures, the Sierra 2500HD AT4 is equipped with an advanced 2-speed active transfer case, off-road suspension, and a host of premium features that elevate your driving experience. From the Multicolor 15 Diagonal Head-Up Display to the Wireless Charging and Wireless Phone Projection, this truck is packed with cutting-edge technology to keep you connected and in control.
Elevate your driving experience with the 2026 GMC Sierra 2500HD AT4. Schedule a test drive today and unlock the true potential of this exceptional off-road-ready truck.