2021 GMC Sierra 1500 AT4
$300 more than this car
- 73,368 mi
- 4WD
- Automatic
- Gasoline
- Truck
Williams Buick GMC · Charlotte, NC · 0 mi away
68,651 miles · truck · Price dropped $300

Certification Program Details: This CarBravo Certified Pre-Owned vehicle isn't just good-looking it's been through a rigorous 134-point inspection to earn its badge. It's backed by a 12-month/12,000-mile bumper-to-bumper limited warranty that kicks in after the original manufacturer warranty ends so in many cases, you're covered even longer. Add in competitive financing rates that often match new car offers and 24/7 roadside assistance, and it's got your back from day one. You'll also get a CARFAX® Vehicle History Report and a 7-day/500-mile exchange policy, just in case you change your mind (but we bet you won't). Drive with confidence the Williams Way. This 2021 GMC Sierra 1500 AT4 in gray combines capability with sophisticated technology. Powered by an EcoTec3 6.2L V8 producing 420 horsepower and 460 lb-ft of torque, it delivers the performance you expect from a full-size truck. The engine features Dynamic Fuel Management, allowing it to operate in 17 different patterns between 2 and 8 cylinders to optimize both power and efficiency based on driving demands. - Power Sunroof - Technology Package with HD Surround Vision and Rear Camera Mirror - Multicolor 15 Diagonal Head-Up Display - Bed View Camera and HD Surroundings Vision - Driver Alert Package II with Automatic Emergency Braking - Forward Collision Alert and Lane Keep Assist with Lane Departure Warning - Adaptive Cruise Control with Following Distance Indicator - IntelliBeam Automatic High Beam Control - Premium GMC Infotainment System with Navigation - SiriusXM with 360L - Apple CarPlay and Android Auto - Wireless Charging - Heated and Ventilated Front Seats with 10-Way Power Adjustment - Spray-On Pickup Bed Liner with AT4 Logo - Perforated Leather-Appointed Front Seat Trim The truck rides on LT275/65R18C MT blackwall Goodyear Wrangler DuraTrac tires mounted on 18 machined aluminum wheels. An off-road suspension system paired with an auto-locking rear differential provides the foundation for serious terrain capability. The ProGrade Trailering System, integrated trailer brake controller, and hitch guidance keep you in control whether you're working or adventuring. The AT4 high clearance step eases entry and exit, while red recovery hooks offer additional utility. This vehicle has achieved CarBravo Certification, which means it meets stringent standards across safety, mechanical performance, and overall condition. Every certified vehicle undergoes comprehensive testing before earning its status, giving you the assurance that you're purchasing a truck that has been vetted and verified to deliver reliable performance. Inside, the Sierra delivers comfort and connectivity. Dual-zone automatic climate control keeps passengers comfortable in any season. Heated door mirrors, a heated steering wheel, and remote vehicle starter make cold mornings manageable. The 4G LTE Wi-Fi hotspot capability keeps you connected on the job or the road. Safety features throughout the truck reflect GMC's commitment to driver and passenger protection. The Driver Alert Package II includes automatic emergency braking, front pedestrian braking, lane keep assist with lane departure warning, and adaptive cruise control. Additional features like rear cross traffic alert, ultrasonic front and rear park assist, and a comprehensive airbag system work together to help prevent accidents and protect occupants. With 15 city MPG and 19 highway MPG, this 6.2L V8-powered Sierra balances the capability you need with reasonable fuel efficiency for a truck of this class. Whether you're using it for daily transportation, weekend adventures, or heavy-duty work, this 2021 GMC Sierra 1500 AT4 is ready to perform. Visit our showroom to experience this dependable truck firsthand and discuss how it can serve your lifestyle.
Dealer-provided information may change. Confirm availability, price, vehicle condition, taxes and fees with the selling dealership.
In the typical middle range · 60% of 5 similar listings ask more than this car.
How we calculate market value: comparable cars for sale now plus their last listed prices.
Price tracked by AutosXchange since Nov 5, 2026. 1 price change at this dealership: $39,298 → $38,998 (−$300).
AutosXchange Intel Hub: Price changes for this model in North Carolina · This model in the Intel Hub · Market movers in North Carolina
Dealer-advertised asking prices as observed by AutosXchange (data as of Nov 14); earlier listings at other dealerships are shown by state only. Source: AutosXchange Intel Hub, autos-xchange.com/market.
Same 2020–2022 Sierra 1500 AT4 · used · any miles · within 50 miles of Charlotte, North Carolina. All 5 comparable cars for sale, nearest first.
$300 more than this car
Williams Buick GMC · Charlotte, NC · 0 mi away
$9,700 less than this car
Williams Buick GMC · Charlotte, NC · 0 mi away
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2021 GMC Sierra 1500 AT473,368 miles · Williams Buick GMC · Charlotte, NC · 0 mi away$39,298$300 more than this car
2021 GMC Sierra 1500 AT4120,251 miles · Williams Buick GMC · Charlotte, NC · 0 mi away$29,298$9,700 less than this car
2020 GMC Sierra 1500 AT470,866 miles · Griffin Buick GMC · Monroe, NC · 25 mi away$37,774$1,224 less than this car
2020 GMC Sierra 1500 AT460,336 miles · Black Buick GMC · Statesville, NC · 42 mi away$43,494$4,496 more than this car
2022 GMC Sierra 1500 AT461,208 miles · Randy Marion Kia · Salisbury, NC · 44 mi away$45,994$6,996 more than this carAll years and trims. Nearest first.
Williams Buick GMC · Charlotte, NC · 0 mi away
Williams Buick GMC · Charlotte, NC · 0 mi away
Williams Buick GMC · Charlotte, NC · 0 mi away
Williams Buick GMC · Charlotte, NC · 0 mi away
Williams Buick GMC · Charlotte, NC · 0 mi away
Williams Buick GMC · Charlotte, NC · 0 mi away
Williams Buick GMC · Charlotte, NC · 0 mi away
Williams Buick GMC · Charlotte, NC · 0 mi away
2021 GMC Sierra 1500 Denali33,423 miles · Williams Buick GMC · Charlotte, NC · 0 mi away$42,698
2020 GMC Sierra 1500 SLT84,355 miles · Williams Buick GMC · Charlotte, NC · 0 mi away$32,998
2022 GMC Sierra 2500 HD Denali35,595 miles · Williams Buick GMC · Charlotte, NC · 0 mi away$58,298
2022 GMC Sierra 1500 Limited Elevation79,776 miles · Williams Buick GMC · Charlotte, NC · 0 mi away$29,698
2022 GMC Sierra 1500 Limited AT452,846 miles · Williams Buick GMC · Charlotte, NC · 0 mi away$41,498
2022 GMC Sierra 1500 Limited Pro73,433 miles · Williams Buick GMC · Charlotte, NC · 0 mi away$25,700
2022 GMC Sierra 1500 AT4X81,643 miles · Williams Buick GMC · Charlotte, NC · 0 mi away$45,998
2022 GMC Sierra 1500 Limited AT490,209 miles · Williams Buick GMC · Charlotte, NC · 0 mi away$36,998