2021 GMC Sierra 1500 AT4
CarBuyingTips Insights
Before you make an offer
Dealer cost — not sticker — is the number that matters. Our free spreadsheet works it out for you in about ten minutes.
Calculate true dealer cost
1 / 28
$23,169$26,359
UsedPrice cut 6%
$6,826 below the MSRP of $29,995
On the market 102 days
Markquart Motors
2191 S Prairie View Rd, Chippewa Falls, WI
Stock #261308A
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
- 170,107 mi
- Engine
- 6.2L 8-cylinder
- Cylinders
- 8
- Transmission
- Automatic
- Drivetrain
- 4WD
- Fuel
- Gasoline
- MPG (city / hwy)
- 14 / 19
- Doors
- 4
- Interior color
- Black
- MSRP
- $29,995
- VIN
- 1GTP9EEL3MZ440428
Price history
| Date | Listed price |
|---|---|
| Sep 4, 2026 | $23,169 ↓ |
| Aug 24, 2026 | $24,852 ↑ |
| Aug 18, 2026 | $24,483 ↓ |
| Jul 27, 2026 | $25,359 ↑ |
| Jul 26, 2026 | $24,990 ↓ |
| Jul 15, 2026 | $26,359 ↑ |
| Jul 14, 2026 | $25,990 ↓ |
| Jun 8, 2026 | $27,359 |
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