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 ULTIMATE HEAVY-DUTY COMMANDER: ONE-OWNER 2024 GMC SIERRA 2500HD AT4

Unleash the full potential of a heavy-duty truck with this towering ONE-OWNER, CLEAN CARFAX 2024 GMC Sierra 2500HD AT4. Finished in the sophisticated Sterling Metallic with the signature Jet Black/Kalahari Accent Leather, this 2024 model features the major mid-cycle refresh that redefined the Sierra's interior and powertrain. This specific unit has been professionally enhanced with a LIFT KIT and CUSTOM WHEELS, creating an aggressive, high-clearance stance that is ready for the toughest Texas trails.

Under the hood is the legendary 6.6L Duramax V8 Turbodiesel, which for 2024 was boosted to a massive 470 horsepower and a class-leading 975 lb-ft of torque. Paired with the reinforced 10-speed Allison automatic transmission, this AT4 delivers smooth, relentless power for heavy towing and off-road exploration.


This AT4 is The Total Package, featuring the AT4 Preferred, AT4 Premium, and Technology packages:

Custom Stance & Off-Road Engineering
Professional Lift Kit: Professionally elevated to provide massive ground clearance and a commanding view of the road, far exceeding the standard factory lift.

Custom Wheel Package: Rolls on high-end custom wheels that perfectly complement the Sterling Metallic finish, giving it a unique, one-of-one look.

X31 Off-Road Package: Features specialized hardware including a 2-speed active transfer case, skid plates, Hill Descent Control, and LED Smoked Amber Roof Marker Lamps.

Advanced Technology & Vision
Next-Gen Cockpit: Features the new 13.4 diagonal center touchscreen with Google built-in and a 12.3 digital instrument cluster.

Multicolor 15 Head-Up Display (HUD): Projects critical data like speed, navigation, and an off-road inclinometer directly onto the windshield.

Camera Mastery: Includes HD Surround Vision, Bed View Camera, and the Rear Camera Mirror, providing a wide-angle, unobstructed view behind the truck.

Smart Safety: Equipped with Adaptive Cruise Control, Trailer Side Blind Zone Alert, and Rear Cross Traffic Alert.

AT4 Preferred & Premium Comfort
Executive Cabin: Features Heated and Ventilated Front Seats, Heated 2nd-Row Outboard Seats, and a Heated Steering Wheel.

Bose Premium Audio: Includes the 7-Speaker Bose Sound System for a rich, high-fidelity listening experience.

Connectivity: Equipped with Wireless Charging, Wireless Phone Projection (Apple CarPlay/Android Auto), and a Power Sliding Rear Window.

Professional Grade Utility
Trailering Excellence: Features an Integrated Trailer Brake Controller, Hitch Guidance with Hitch View, and the In-Vehicle Trailering System App.

Cargo Protection: Comes with a Spray-On Bedliner with the AT4 Logo, LED Cargo Area Lighting, and 120V Power Outlets in both the bed and the cabin.

MultiPro Tailgate: Includes the world's first six-function tailgate, allowing for easy bed access, a standing workstation, or a step for effortless entry.

The 2024 Sierra 2500HD AT4 is more than a truckit's a custom-built fortress of technology and power that stands as a testament to GMC's Professional Grade philosophy.

This exceptional custom 2024 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!