Base MSRP excludes transportation and handling charges, destination charges, taxes, title, registration, preparation and documentary fees, tags, labor and installation charges, insurance, and optional equipment, products, packages and accessories. Options, model availability and actual dealer price may vary. See dealer for details, costs and terms.
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Apple CarPlay® is a registered trademark of Apple Inc.
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Burmester® is a registered trademark of Burmester Audiosysteme GmbH, Berlin, Germany
Bluetooth® is a registered mark of Bluetooth SIG, Inc.
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 subscription
* Limited Warranty: 12 Month/12,000 Mile (whichever comes first) from certified purchase date
* Roadside Assistance
* Transferable Warranty
* Warranty Deductible: $0
* Powertrain Limited Warranty: 72 Month/100,000 Mile (whichever comes first) from original in-service date
** All of our cars go through a comprehensive QRP Quality Renewal Process. Come check out Flow GM Auto Plaza's No haggle, No Pressure, Transparent, Easy, Fun, car shopping experience!! We have the most professional and courteous sales staff in North Carolina. Call our Internet Sales Dept at (336) 760-7077 to schedule a test drive, or visit https://www.flowauto.com . Thank you for allowing us to serve your automotive needs over the past 50 years.







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