2021 GMC Sierra 1500 AT4

  • 46,410 mi
  • Acton, MA
  • Truck
  • Black
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$43,498
UsedBelow MSRP

$1,490 below the MSRP of $44,988

On the market 111 days


Colonial Chevrolet

171 Great Rd, Acton, MA

Stock #A26666A

CarBuyingTips does not sell cars. Listings come from dealer inventory feeds and prices change often — always confirm with the seller.

Specifications

Year
2021
Make
GMC
Model
Sierra 1500
Trim
AT4
Body style
Truck
Mileage
46,410 mi
Engine
6.2L 8-cylinder
Cylinders
8
Transmission
Automatic
Drivetrain
4WD
Fuel
Gasoline
MPG (city / hwy)
14 / 19
Doors
4
Exterior color
Black
Interior color
Black
MSRP
$44,988
VIN
1GTP9EEL2MZ375068

Price history

DateListed price
Aug 24, 2026$43,498
Aug 21, 2026$43,598
Aug 15, 2026$43,798
Aug 15, 2026$43,798
Aug 12, 2026$43,898
Aug 11, 2026$43,898
Aug 7, 2026$43,998
Jul 31, 2026$44,098

Before you buy this GMC

  • Get the VIN checked before you go. A clean history report is the cheapest insurance you can buy. Vehicle history reports
  • Arrange your own financing first so the finance office has to beat a rate, not set one. Car loan guide
  • Know the 10 dealer scams that happen after you agree on price. Top 10 dealer scams
  • Never discuss a trade-in until the purchase price is locked. Trade-in tips