2020 GMC Sierra 1500 AT4

2020 GMC Sierra 1500 AT4 4WD

6.2L V8 - 420 Horsepower - Premium Package - Trailering Package - Off-Road Ready

If you are searching for a 2020 GMC Sierra 1500 AT4 for sale in Dallas-Fort Worth, this premium full-size pickup delivers powerful V8 performance, advanced towing capability, luxury comfort, and serious off-road equipment.

Finished in Summit White over a Black leather interior, this Sierra AT4 is powered by the desirable 6.2-liter EcoTec3 V8 and paired with a 10-speed automatic transmission and four-wheel drive.

6.2L EcoTec3 V8 Performance

The 6.2-liter EcoTec3 V8 produces 420 horsepower and 460 lb-ft of torque, giving this Sierra the power needed for towing, hauling, highway travel, and off-road driving. Its 10-speed automatic transmission provides smooth acceleration and keeps the engine within its ideal power range.

AT4 Off-Road Capability

The AT4 trim adds equipment designed for driving beyond paved roads, including an off-road suspension with Rancho monotube shocks, hill descent control, skid plates, red recovery hooks, additional ground clearance, and an automatic locking rear differential.

This combination provides confident traction and control while preserving the comfort and refinement expected from a premium GMC truck.

Premium Black Leather Interior

The Black leather cabin offers a comfortable and well-equipped environment for daily driving and long-distance travel. Premium features include heated and ventilated front seats, heated rear outboard seats, a heated steering wheel, power-adjustable front seats, driver memory, dual-zone automatic climate control, remote start, and a power-sliding rear window.

Technology includes Apple CarPlay, Android Auto, Bluetooth connectivity, SiriusXM capability, available navigation, multiple USB ports, and GMCs touchscreen infotainment system.

Advanced Trailering Equipment

This Sierra is equipped with the Trailering Package and ProGrade Trailering technology to help make connecting and towing a trailer easier.

Trailering equipment includes an integrated trailer brake controller, Hitch Guidance with Hitch View, an HD rearview camera, trailer monitoring features, and in-vehicle trailering functions.

Bed and Utility Features

A factory spray-in bedliner with the AT4 logo helps protect the cargo box, while LED cargo lighting improves visibility after dark. Additional utility equipment includes a 120-volt bed-mounted power outlet, a 120-volt interior outlet, rear wheelhouse liners, and durable cargo-management features.

Vehicle Highlights

2020 GMC Sierra 1500 AT4 4WD
6.2L EcoTec3 V8
420 horsepower
460 lb-ft of torque
10-speed automatic transmission
Four-wheel drive
AT4 off-road suspension
Rancho monotube shocks
Automatic locking rear differential
Hill descent control
Skid plates
Red recovery hooks
Trailering Package
ProGrade Trailering System
Integrated trailer brake controller
Hitch Guidance with Hitch View
HD rearview camera
Heated and ventilated front seats
Heated rear outboard seats
Heated steering wheel
Driver memory
Dual-zone automatic climate control
Apple CarPlay
Android Auto
Bluetooth connectivity
Remote start
Power-sliding rear window
120-volt bed power outlet
120-volt interior power outlet
Spray-in bedliner with AT4 logo
LED cargo lighting
18-inch machined aluminum wheels
Summit White exterior
Black leather interior

GMC Sierra AT4 for Sale in Dallas-Fort Worth

The GMC Sierra 1500 AT4 competes with off-road-oriented trucks such as the Ford F-150 Tremor, Ram 1500 Rebel, Chevrolet Silverado Trail Boss, Toyota Tundra TRD Pro, and Nissan Titan PRO-4X.

Its 420-horsepower V8, premium lea