Pre-Owned 2021 GMC Sierra 1500 AT4 For Sale Seaford, DE

This 2021 GMC Sierra 1500 AT4 in gray represents the full-size truck you've been looking for, combining rugged capability with refined comfort for work and weekend adventures alike.- Technology Package with HD Surround Vision, Rear Camera Mirror, and Bed View Camera- Multicolor 15" Diagonal Head-Up Display- 20" Machined Aluminum Wheels with Carbon Grey Metallic Accents- Driver Alert Package II featuring Forward Collision Alert, Lane Keep Assist, Automatic Emergency Braking, and Adaptive Cruise Control- AT4 Preferred Package with Universal Home Remote and Wireless Charging- Premium GMC Infotainment System with Navigation and Apple CarPlay/Android Auto- Bose Premium Audio System with SiriusXM 360L- Heated and Ventilated Front Seats with 10-Way Power Adjusters- Perforated Leather-Appointed Front Seat Trim- Spray-On Pickup Bed Liner with AT4 Logo- Hill Descent Control and Off-Road Suspension- Driver Alert Package I with Front and Rear Park Assist- Power Sliding Rear Window with Rear Defogger- ProGrade Trailering System with Integrated Trailer Brake Controller- Remote Vehicle Starter System and Keyless Open & StartThe EcoTec3 5.3L V8 engine paired with a 10-Speed Automatic transmission and 4WD delivers the power you need while achieving 16 MPG city and 21 MPG highway. Every system has been engineered for both capability and efficiency, whether you're navigating city streets or handling demanding terrain.The AT4 trim elevates your experience with specialized off-road features, including Hill Descent Control and an off-road suspension tuned for superior handling. The spray-on bed liner protects your investment, while the rear sliding power window and power door mirrors add practical convenience to every drive.126 Point Inspection, Roadside Assistance, Warranty Deductible: $0, Vehicle History, All warranty repairs include parts, labor, & towing to the nearest CarBravo dealership (if necessary). Should your vehicle need warranty repair, your CarBravo dealer will make sure you have alternative transporation. Earn points from GM Rewards when you buy a CarBravo vehicle, redeemable towards GM Certified Service, eligible accessories & more. You must sign up or be a GM Rewards member at the time of the vehicle delivery to earn points, see dealer for details. Get a 1-month trial of OnStar safety services like Automatic Crash Response & Roadside Assistance. Get 165+ channels in the car plus access to 350+ channels on the SiriusXM app.This GMC CarBravo Certified truck has undergone a comprehensive inspection and comes backed by extensive coverage, giving you confidence in your purchase. The combination of premium features, proven reliability, and dealer support makes this Sierra 1500 AT4 an excellent choice for owners who demand both performance and peace of mind.