2021 GMC Sierra 2500HD AT4
CarBuyingTips Insights
Before you make an offer
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Calculate true dealer cost
1 / 50
$47,928$52,626
UsedPrice cut 9%
$5,071 below the MSRP of $52,999
On the market 84 days
Liberty Buick
8737 W Bell Rd, Peoria, AZ
Stock #P21260C
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 2500HD
- Trim
- AT4
- Body style
- Truck
- Mileage
- 84,490 mi
- Engine
- 6.6L 8-cylinder
- Horsepower
- 401 hp
- Torque
- 464 lb-ft
- Cylinders
- 8
- Transmission
- Automatic
- Drivetrain
- 4WD
- Fuel
- Diesel
- Doors
- 4
- Seats
- 5
- Exterior color
- White
- Interior color
- Black
- MSRP
- $52,999
- VIN
- 1GT49PEY4MF276845
Price history
| Date | Listed price |
|---|---|
| Aug 21, 2026 | $47,928 ↓ |
| Aug 6, 2026 | $48,313 ↓ |
| Aug 6, 2026 | $49,094 ↓ |
| Aug 1, 2026 | $50,148 ↓ |
| Jul 29, 2026 | $51,059 ↓ |
| Jul 27, 2026 | $51,386 ↓ |
| Jul 15, 2026 | $51,758 ↓ |
| Jul 2, 2026 | $52,626 |
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
