2021 GMC Sierra 1500 SLT
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$36,160
Used
On the market 24 days
Castle Subaru of McHenry
1121 S Route 31, Mchenry, IL
Stock #MS260360B
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
- SLT
- Body style
- Truck
- Mileage
- 73,177 mi
- Engine
- 5.3L 8-cylinder
- Cylinders
- 8
- Transmission
- Automatic
- Drivetrain
- 4WD
- Fuel
- Gasoline
- MPG (city / hwy)
- 15 / 20
- Doors
- 4
- Interior color
- Black
- MSRP
- $35,997
- VIN
- 1GTU9DED6MZ256896
Price history
| Date | Listed price |
|---|---|
| Oct 14, 2026 | $36,160 ↓ |
| Oct 9, 2026 | $36,410 ↓ |
| Oct 3, 2026 | $36,940 ↑ |
| Sep 28, 2026 | $36,410 |
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