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3929 Forest Ln, Garland, TX 75042
4
4 out of 5 stars
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Used 2021 GMC Sierra 1500 AT4

70,309 miles
For Sale:$32,995
Estimated payment:$748/mo.
$0 trade-in, 10% down payment, 48 months, Great credit score

Value ChartA visual chart indicating the fair price range is between $34,900 and $40,900, while the current price is $32,995.$34,900 - $40,900$32,995

  • Priced at $32,995, this vehicle is $1,905 (5%) below the low end of its fair market value of $34,900.

  • The current fair market price range is between $34,900 to $40,900.

  • It has 70,309 miles, which is close to the median mileage of 74,800.

Note: This is an estimate based on a variety of factors (experimental feature). It is intended to provide a fair market value range to help guide your buying decision.

View Full Value Report
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2021-gmc-sierra-1500-at4-4x4-4dr-crew-cab-5-8-ft-sb.jpg
2021-gmc-sierra-1500-at4-4x4-4dr-crew-cab-5-8-ft-sb.jpg
2021-gmc-sierra-1500-at4-4x4-4dr-crew-cab-5-8-ft-sb.jpg
2021-gmc-sierra-1500-at4-4x4-4dr-crew-cab-5-8-ft-sb.jpg
  • Truck
  • Pickup
  • Crew Cab
  • Extended Front Legroom
  • Vaulted Headroom
  • Condition
    Used
  • Mileage
    70,309miles
  • Aggregate Ratings
    3.8
    3.8 out of 5 stars
  • Generation
    4(2019 - 2026)
  • Trim
    AT4
  • Drivetrain
    4X4
  • Transmission
    10-Speed Shiftable Automatic
  • MPG
    15 city21 highwayMax range: 504 miles
  • Exterior Color
    Summit White (White)Factory Paint Code:GAZ
  • Interior Color
    Jet Black W Kalahari Accents (Black)Factory Paint Code:HVD
  • Upholstery
    Leather
  • Size Segment
    1/2 Ton
  • Doors
    4
  • Max Seating
    5
  • Max Towing Capacity
    9,200lbs.
  • Weight Class
    6,000-10,000 lbs. (2)
  • Bed Length
    69.9in.
  • Ground Clearance
    10.9inch
  • NHTSA Safety Ratings
    4
    4 out of 5 stars
  • Final Assembly Point
    Silao, Mexico
  • VIN
    3GTP9EED5MG453531
  • Starting MSRP
    $54,700

Engine5.3L V8 Gasoline 355hp

  • Fuel Type:Gasoline
  • Fuel Quality:87
  • Max Horsepower:355 hp @ 5600 rpm
  • Power to Weight Ratio:14.48lbs/hp
  • Max Torque:383 ft.lbf @ 4100 rpm
  • Brand:EcoTec3
  • Displacement:5.3liters
  • Block Type:V
  • Cylinders:8
  • Aspiration:Naturally Aspirated
  • Fuel Induction:Direct Injection
  • Redline:5,800rpm
  • Oil Capacity:7.6liters
  • Cam Type:OHV
  • Stroke:3.62
  • Bore:3.78
  • Valves:16

Message from the seller

Introducing the 2021 GMC Sierra 1500 AT4 - the ultimate truck for those who demand power, style, and reliability. This rugged and capable vehicle is built to handle any job or adventure, making it the perfect companion for both work and play. With its bold and aggressive design, the Sierra 1500 AT4 commands attention on the road. The spacious and luxurious interior is equipped with the latest technology and features, providing both comfort and convenience for the driver and passengers. Under the hood, the Sierra 1500 AT4 boasts a powerful engine that delivers impressive performance and towing capabilities. Plus, with its advanced safety features and innovative technology, you can trust that the Sierra 1500 AT4 will keep you and your loved ones safe on the road. Don't miss your chance to own the 2021 GMC Sierra 1500 AT4. Visit our dealership today and experience the ultimate truck for yourself.

  • Comfort & Seating:

    • Heated Seats
    • Heated Steering Wheel
    • Power Seats
    • Ventilated Seats

  • Convenience:

    • 115V Power Outlet
    • Automatic Climate Control
    • Remote Start

  • Entertainment:

    • Bluetooth
    • Satellite Radio

  • Exterior:

    • Heated Mirrors
    • Tinted Windows

  • Other:

    • Trailer Hitch

  • Safety:

    • Backup Camera
    • Tire Pressure Monitoring

  • Technology:

    • Android Auto

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Listed on March 13, 2026 (a month ago)
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Cruz™ Disclaimer: Vehicle details shown on this site are provided by sellers or third parties. Cruz™ does not independently verify this information and is not liable for its accuracy. All services and content are offered without any warranty, either expressed or implied. Learn more here.MPG & Max Range: Fuel economy estimates are provided by the EPA and are intended for comparison purposes only. Your actual mileage will vary depending on driving conditions, vehicle condition, and other factors.Price: Prices shown may not include taxes, fees, or other charges. Prices and availability are subject to change without notice. Contact the seller for the most current pricing information.Options & Features: Installed options may not be shown. Contact the seller for more information about available features and options.