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Festus Auto Sales Milwaukee

7525 W Florist Ave, Milwaukee, WI 53218
4.7
4.7 out of 5 stars
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Used 2020 GMC Sierra 1500 AT4

133,698 miles
For Sale:$29,999

$6,400(-17.6%)price drop

Estimated payment:$680/mo.
$0 trade-in, 10% down payment, 48 months, Great credit score

Value ChartA visual chart indicating the fair price range is between $31,400 and $36,800, while the current price is $29,999.$31,400 - $36,800$29,999

  • Priced at $29,999, this vehicle is $1,401 (4%) below the low end of its fair market value of $31,400.

  • The current fair market price range is between $31,400 to $36,800.

  • It has 133,698 miles, which is 36,298 (37%) above the median mileage of 97,400.

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

2020-gmc-sierra-1500-at4-4x4-4dr-crew-cab-5-8-ft-sb.jpg
2020-gmc-sierra-1500-at4-4x4-4dr-crew-cab-5-8-ft-sb.jpg
2020-gmc-sierra-1500-at4-4x4-4dr-crew-cab-5-8-ft-sb.jpg
2020-gmc-sierra-1500-at4-4x4-4dr-crew-cab-5-8-ft-sb.jpg
2020-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
    133,698miles
  • Aggregate Ratings
    3.6
    3.6 out of 5 stars
  • Generation
    4(2019 - 2026)
  • Trim
    AT4
  • Drivetrain
    4X4
  • Transmission
    10-Speed Shiftable Automatic
  • MPG
    22 city26 highwayMax range: 624 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
    3GTU9EET9LG353621
  • Starting MSRP
    $53,700

Engine3L I6 Diesel 277hp

  • Fuel Type:Diesel
  • Max Horsepower:277 hp @ 3750 rpm
  • Power to Weight Ratio:18.56lbs/hp
  • Max Torque:460 ft.lbf @ 1500 rpm
  • Brand:Duramax
  • Displacement:3liters
  • Block Type:I
  • Cylinders:6
  • Aspiration:Turbo
  • Fuel Induction:Common Rail Direct Injection
  • Cam Type:DOHC
  • Stroke:3.54
  • Bore:3.3
  • Valves:24

  • 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 (2 months ago)
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This Used 2020 GMC Sierra 1500 AT4 is available for drivers in Milwaukee, Waukesha, Brookfield, New Berlin, Menomonee Falls, Oak Creek, Franklin, Racine ...

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.