2026 GMC Sierra 2500 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 / 30
$79,219
NewBelow MSRP
$501 below the MSRP of $79,720
On the market 16 days
Modern Auto Company
6224 Highway 100, Washington, MO
Stock #GT9201
CarBuyingTips does not sell cars. Listings come from dealer inventory feeds and prices change often — always confirm with the seller.
Specifications
- Year
- 2026
- Make
- GMC
- Model
- Sierra 2500
- Trim
- AT4
- Body style
- Truck
- Mileage
- New
- Engine
- 6.6L 8-cylinder
- Horsepower
- 401 hp
- Torque
- 464 lb-ft
- Cylinders
- 8
- Transmission
- Automatic
- Drivetrain
- 4WD
- Fuel
- Gasoline
- Doors
- 4
- Seats
- 5
- Exterior color
- Silver
- Interior color
- Black
- MSRP
- $79,720
- VIN
- 1GT4UPE79TF342634
Price history
| Date | Listed price |
|---|---|
| Aug 24, 2026 | $79,219 ↑ |
| Aug 23, 2026 | $78,720 ↓ |
| Aug 16, 2026 | $79,219 |
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