Used 2021 Gmc Sierra 1500 AT4

This Sierra 1500 AT4 is built to handle real work while still delivering premium comfort and aggressive styling. The 5.3L V8 provides strong, reliable power paired with a smooth-shifting 10-speed automatic, making it equally capable on the highway or off-road. AT4 equipment adds a factory lift, off-road suspension, skid plates, hill descent control, and distinctive dark exterior accents that set it apart from standard trims. Inside, the cabin is clean and upscale with a focus on comfort and convenience. The Crew Cab provides plenty of room for passengers and gear, while 4WD ensures confidence in all conditions. This is a well-equipped, low-mile AT4 that delivers the performance, capability, and comfort Sierra buyers are looking for in a full-size truck.