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Riverside Auto Sales

13905 NE Fourth Plain Blvd, Vancouver, WA 98682
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Used 2020 GMC Sierra 1500 AT4

183,018 miles
For Sale:$31,995
Estimated payment:$725/mo.
$0 trade-in, 10% down payment, 48 months, Great credit score

Value ChartA visual chart indicating the fair price range is between $30,200 and $35,400, while the current price is $31,995.$30,200 - $35,400$31,995

  • Priced at $31,995, this vehicle is within the current market price range of $30,200 to $35,400.

  • It has 183,018 miles, which is 97,018 (113%) above the median mileage of 86,000.

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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2020-gmc-sierra-1500-at4-4x4-4dr-crew-cab-5-8-ft-sb.jpg
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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
    183,018miles
  • Aggregate Ratings
    3.6
    3.6 out of 5 stars
  • Generation
    4(2019 - 2026)
  • Trim
    AT4
  • Drivetrain
    4X4
  • Transmission
    10-Speed Shiftable Automatic
  • MPG
    15 city19 highwayMax range: 456 miles
  • Exterior Color
    Pacific Blue Metallic (Blue)Factory Paint Code:GA0
  • 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
    3GTP9EEL1LG118000
  • Starting MSRP
    $53,700

Engine6.2L V8 Gasoline 420hp

  • Fuel Type:Gasoline
  • Fuel Quality:87
  • Max Horsepower:420 hp @ 5600 rpm
  • Power to Weight Ratio:12.24lbs/hp
  • Max Torque:460 ft.lbf @ 4100 rpm
  • Brand:EcoTec3
  • Displacement:6.2liters
  • Block Type:V
  • Cylinders:8
  • Aspiration:Naturally Aspirated
  • Fuel Induction:Direct Injection
  • Redline:6,000rpm
  • Oil Capacity:7.6liters
  • Cam Type:OHV
  • Stroke:3.62
  • Bore:4.06
  • Valves:16

Message from the seller

Introducing the 2020 GMC Sierra 1500 AT4 - the ultimate combination of power, performance, and style. This rugged yet refined truck is built to conquer any terrain, making it the perfect vehicle for both work and play. With extra spacing for added comfort, the Sierra 1500 AT4 offers a spacious and luxurious interior, allowing you to tackle even the toughest jobs in comfort.

Equipped with a powerful 6.2L V8 engine and a 10-speed automatic transmission, this truck delivers an impressive 420 horsepower and 460 lb-ft of torque, giving you the strength and capability you need for any hauling or towing needs. The AT4 also features a specialized suspension system with Rancho shocks, providing a smooth and stable ride on and off the road.

Step inside and you'll experience the ultimate in comfort and convenience. The Sierra 1500 AT4 boasts premium leather seating, heated and ventilated front seats, and a heated steering wheel for those chilly mornings. The spacious cabin also features advanced technology, including an 8-inch touchscreen display with Apple CarPlay and Android Auto compatibility, a 4G LTE Wi-Fi hotspot, and a Bose premium sound system.

Not only does the 2020 GMC Sierra 1500 AT4 offer exceptional performance and comfort, but it also exudes a bold and commanding presence. With its rugged design, signature black chrome grille, and unique 18-inch wheels, this truck is sure to turn heads wherever you go.

Don't miss out on the opportunity to own the ultimate truck - the 2020 GMC Sierra 1500 AT4. With its extra spacing, powerful engine, luxurious interior, and eye-catching design, this truck is truly in a class of its own. Visit your local GMC dealer today and experience the power and capability of the Sierra 1500 AT4 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 December 13, 2025 (4 months 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.