The GMC Sierra 1500 AT4 full-size truck offers powerful capability engineered to take on off-road obstacles and the tough backcountry.

Rise to the call of adventure in the GMC AT4 and AT4X lineup. Ruggedly styled and packed with tech-savvy and intuitive advanced features, AT4 is adventure-ready and engineered for action. For those looking to push the boundaries in premium off-roading, GMC’s lineup of AT4X trucks and SUVs is off-road capable without compromising on innovative ...

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Explore the 2025 GMC Sierra HD AT4 and AT4X off-road work truck equipped with a 1.5" suspension lift, rancho shocks, HD surround vision, a standard 6.6L V8 Engine, & more.

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Test drive New 2024 GMC Sierra 1500 AT4 at home from the top dealers in your area. Search from 64 New GMC Sierra 1500 cars for sale ranging in price from $59,010 to $131,881.

View detailed specs, features and options for the 2025 GMC Sierra 1500 4WD Crew Cab 157" AT4 at U.S. News & World Report.

TrueCar has 703 new GMC Sierra 1500 AT4 models for sale nationwide, including a GMC Sierra 1500 AT4 Crew Cab Short Bed 4WD. Prices for a new GMC Sierra 1500 AT4 currently range from $69,670 to $106,880.

Detailed specs and features for the 2024 GMC Sierra 1500 Diesel AT4 including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain and more ...

Complete information about the GMC Sierra AT4 pickup truck, including introduction date and availability, reviews, ratings, specifications and much more.