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About this truck
This 2021 GMC Sierra 1500 AT4 delivers premium capability with sophisticated style. The black exterior pairs beautifully with Jet Black and Kalahari Accents leather seating, while the crew cab short box design balances comfort and practicality. Powered by a EcoTec3 5.3L V8 and 10-speed automatic transmission with 4WD, this truck is built for both highway cruising and off-road adventure, achieving EPA-estimated 15 city / 21 highway MPG. Actual mileage may vary.
- Heated and ventilated front seats with 10-way power adjusters
- Premium GMC Infotainment System with Apple CarPlay and Android Auto
- ProGrade Trailering System with integrated brake controller and hitch guidance
- Off-road suspension with hill descent control and auto-locking rear differential
- Spray-on bed liner with AT4 logo
- SiriusXM with 360L satellite radio
- HD rear vision camera with in-vehicle trailering app
- Heated steering wheel and auto-dimming door mirrors
- 120-volt bed-mounted and instrument panel power outlets
- Remote vehicle starter system with keyless open and start
The AT4 trim delivers serious off-road credibility with features like hill descent control, skid plates, and all-terrain tires, while the heated and ventilated seats, premium audio system, and smartphone integration ensure your daily drive is equally refined. With under 100,000 miles, this Sierra is ready to handle whatever comes next. Visit us today to experience the perfect blend of truck capability and luxury comfort.
Vehicle history
Ask us for the history report on this GMC and we will send it over.

