Experience the ultimate in off-road capability with the 2026 GMC Sierra 1500 AT4. Engineered to conquer any terrain, this rugged truck is built to take you further.
- 6.2L EcoTec3 V8 engine with 420 hp and 460 lb-ft of torque
- 10-speed automatic transmission with 4WD
- Off-road suspension and auto-locking rear differential
- Spray-on bedliner, off-road high clearance steps, and skid plates
Elevate your drive with the Sierra 1500 AT4's impressive list of premium features:
- Bose 7-speaker premium sound system
- Heated and ventilated front seats
- Heated rear outboard seats
- Multicolor 15" head-up display
- Wireless charging and Wi-Fi hotspot
- Trailering package with integrated trailer brake controller
The AT4 also offers advanced safety and technology to keep you confident on any adventure:
- Automatic emergency braking, lane keep assist, and rear pedestrian detection
- Surround vision camera system and rear camera mirror
- Trailer side blind zone alert and hitch guidance