2021 GMC Sierra 1500 AT4 in stunning Black with jet black leather-appointed seating — this Crew Cab Short Box combines premium style with serious capability. With just over 40,000 miles, this 4WD truck delivers the power of an EcoTec3 5.3L V8 paired with a smooth 10-speed automatic transmission. The AT4 trim brings authentic off-road engineering and comprehensive features designed for both work and weekend adventures.

- 20 machined aluminum wheels with carbon grey metallic accents
- Premium GMC Infotainment System with AM/FM radio and SiriusXM 360L
- Apple CarPlay and Android Auto compatibility
- Heated and ventilated front seats with 10-way power driver adjustment
- Off-road suspension with hill descent control and auto-locking rear differential
- Spray-on bed liner with AT4 logo
- ProGrade Trailering System with integrated trailer brake controller
- 120-volt bed and instrument panel power outlets
- Remote vehicle starter system
- HD rear vision camera with hitch guidance

GMC CarBravo Certified with these coverage benefits:
- 126 Point Inspection
- Roadside Assistance
- $0 Warranty Deductible
- Vehicle History Report
- All warranty repairs include parts, labor, and towing to the nearest CarBravo dealership (if necessary)
- Alternative transportation provided while your vehicle is in for warranty service
- GM Rewards points earned toward GM Certified Service and eligible accessories (requires membership at delivery)
- 1-month trial of OnStar safety services including Automatic Crash Response and Roadside Assistance
- SiriusXM access to 165+ channels in vehicle plus 350+ channels on app

The AT4 package elevates your truck experience with Preferred Equipment Group 4SB and a comprehensive Trailering Package. EPA-estimated 15 city / 21 highway MPG. Actual mileage may vary. Visit us today to experience this versatile Sierra in person and discover why the AT4 stands apart.