Certified 2021 Gmc Sierra 1500 AT4

Our 2021 GMC Sierra 1500 AT4 brings together premium refinement and serious off-road capability—all backed by the confidence of GMC Certified Pre-Owned coverage. With its bold stance, advanced tech, and trail-ready upgrades, this AT4 is built to take on weekends, workdays, and everything in between. Off-Road Performance Factory 2-inch lift, off-road suspension, Rancho shocks, skid plates, and 4WD capability give the AT4 the muscle and confidence to handle rough terrain without breaking a sweat. Premium Interior Leather-appointed seating, AT4-specific accents, heated/ventilated front seats, a heated steering wheel, and a comfortable, upscale cabin that's ready for long drives or tough jobs. Technology & Convenience Large touchscreen infotainment with Apple CarPlay/Android Auto, navigation options, premium audio, wireless charging, and smart towing features that make hauling easier and safer. Safety & Confidence Advanced driver-assist features including lane-keep assist, forward collision alert, blind-zone monitoring, and HD surround-view cameras for added peace of mind. Design & Presence Signature AT4 grille, red recovery hooks, aggressive wheels/tires, and a commanding look that blends luxury with off-road attitude.