2021 GMC Sierra 1500 AT4 Certified, Rugged, and Ready for Anything
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 thats 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.
Why Buy from Flow Automotive:
At Flow Automotive, buying pre-owned is always Easy, Transparent, and Fun! We keep the process straightforward and focus on helping you find the perfect vehicle for your lifestyle.
Bold, capable, and Certified-the 2021 Sierra 1500 AT4 is ready to elevate your drive. Come check it out anytime!
Certified. GMC Certified Pre-Owned Details:
* Vehicle History
* 172 Point Inspection
* 24 months/24,000 miles (whichever comes first) Certified Pre-Owned Scheduled Maintenance Plan and 3 days/150 miles (whichever comes first) Vehicle Exchange Program. SiriusXM 3-month trial subs
