2021 GMC Sierra 1500 AT4
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1 / 35
$28,998
UsedBelow MSRP
$1,000 below the MSRP of $29,998
On the market 164 days
Sports Cars International- Lynnwood South
21021 Highway 99, Lynnwood, WA
Stock #22781
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
- 120,545 mi
- Engine
- 6.2L 8-cylinder
- Cylinders
- 8
- Transmission
- Automatic
- Drivetrain
- 4WD
- Fuel
- Gasoline
- MPG (city / hwy)
- 14 / 19
- Doors
- 4
- Exterior color
- White
- Interior color
- Black
- MSRP
- $29,998
- VIN
- 1GTP9EEL6MZ151575
Price history
| Date | Listed price |
|---|---|
| Oct 14, 2026 | $28,998 ↓ |
| Oct 14, 2026 | $29,198 ↑ |
| Oct 11, 2026 | $28,998 ↓ |
| Oct 10, 2026 | $29,198 ↑ |
| Oct 9, 2026 | $28,998 ↓ |
| Oct 5, 2026 | $29,198 ↑ |
| Oct 5, 2026 | $28,998 ↓ |
| Oct 3, 2026 | $29,198 |
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