This vehicle is located at Covert Buick GMC of Austin on 11750 Research Blvd Suite D, Austin, TX 78759. Visit us soon to take a test drive of this great vehicle. Give us a call at 512-583-3420for more information!

THE OFF-ROAD TITAN: ONE-OWNER 2021 GMC SIERRA 1500 AT4 4WD

Dominate the terrain with this exceptional ONE-OWNER, CLEAN CARFAX 2021 GMC Sierra 1500 AT4. Finished in a crisp Summit White with the signature Jet Black Leather and Kalahari Accents, this truck is the perfect marriage of raw V8 power and high-end executive luxury. As an AT4, it doesnt just look the partit is factory-equipped to handle the most demanding Texas backroads and trails.

Under the hood lies the sought-after 6.2L EcoTec3 V8, pushing out a massive 420 horsepower and 460 lb-ft of torque. Paired with a precision 10-speed automatic transmission, this powertrain provides effortless acceleration and a robust maximum towing capacity of up to 11,800 lbs when properly equipped.


AT4 Off-Road Engineering
Factory-Installed Lift: Features a 2-inch suspension lift directly from the factory, providing superior ground clearance without compromising your warranty.

Rancho Monotube Shocks: Specifically tuned to soak up impacts on rough terrain while maintaining a composed ride on the pavement.

Traction & Control: Equipped with a 2-speed Autotrac transfer case, Automatic Locking Rear Differential, and protective underbody skid plates.

Signature Details: Defined by its iconic Red Vertical Recovery Hooks, Black Chrome grille accents, and body-color bumpers.

Executive-Level Cabin
AT4 Exclusive Interior: Features the premium Jet Black Leather-Appointed seats with Kalahari inserts, offering a rugged yet sophisticated aesthetic unique to this trim.

All-Season Comfort: Equipped with Heated and Ventilated Front Bucket Seats, a Heated Steering Wheel, and dual-zone automatic climate control.

Smart Storage: Includes the Up-Level Rear Seat with Storage Package, featuring hidden compartments in the rear seatbacks and under-seat storage for your gear.

Professional Grade Technology
MultiPro Tailgate: The worlds first six-function tailgate that can transform into a step, a workspace, or a load stop, revolutionizing how you use your truck bed.

Infotainment & Vision: Features a high-resolution 8-inch diagonal Premium GMC Infotainment System with Wireless Apple CarPlay and Wireless Android Auto.

ProGrade Trailering: Includes an Integrated Trailer Brake Controller, Hitch Guidance with Hitch View, and the In-Vehicle Trailering App to simplify every tow.

Safety & Utility
Visibility: Features LED Reflector Headlamps, LED fog lamps, and signature C-shaped LED taillamps for a commanding presence day or night.

Protection: Comes standard with a Spray-On Bedliner with the AT4 Logo and heavy-duty Premium All-Weather Floor Liners with removable carpet inserts.

Convenience: Includes Keyless Open & Start, Remote Vehicle Starter System, and an 110V AC power outlet in the bed.

The 2021 Sierra AT4 with the 6.2L V8 is the dream configuration for many truck enthusiastsoffering the most powerful engine available in a package that is as comfortable on the highway as it is capable on the ranch.

This exceptional GMC Sierra AT4 is located at Covert Buick GMC of Austin on 11750 Research Blvd Suite D, Austin, TX 78759. Serving Central Texas and beyond since 1909, we invite you to experience the Covert Commitment today; visit us soon to take a test drive or call 512-583-3420 for more information!