Discover the Rugged Capability and Premium Comfort of the 2021 GMC Sierra 1500 AT4

This 2021 GMC Sierra 1500 AT4 is a true off-road champion, blending exceptional capability with refined luxury. Equipped with a powerful 3.0L I6 Duramax Diesel engine and 4-wheel drive, this Sierra AT4 is ready to tackle any terrain with confidence.

- LPO, AT4 High Clearance Step (dealer-installed)
- 3.0L I-6 Diesel Turbocharged (Duramax)
- Onyx Black exterior
- LPO, Rear Underseat Storage, Composite Storage Bin
- Engine Block Heater

Beyond its rugged performance, this Sierra AT4 pampers you with a wealth of premium features. Heated and ventilated front seats, a heated steering wheel, and dual-zone climate control ensure your comfort, while the Bose premium audio system and 8-inch infotainment display keep you entertained. The ProGrade Trailering System and In-Vehicle Trailering App provide added confidence when towing.

With 22 MPG city and 26 MPG highway, this Sierra 1500 AT4 delivers impressive fuel efficiency without sacrificing capability. The spacious Crew Cab design offers generous seating for up to five, while the spray-on bedliner and 120-volt power outlet in the bed provide unmatched utility.

Whether you're tackling the toughest off-road challenges or cruising in comfort on the highway, this 2021 GMC Sierra 1500 AT4 is the perfect companion. Its blend of power, technology, and premium amenities make it a standout in the full-size truck segment. Experience the difference for yourself – schedule a test drive today and discover the uncompromising capability of the Sierra AT4.