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 / 32
$75,000$81,000
UsedPrice drop
$5,003 below the MSRP of $80,003
On the market 16 days
Ingersoll Auto of Danbury
84 Federal Rd, Danbury, CT
Stock #A277903
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
- 19 mi
- Engine
- 6.6L 8-cylinder
- Cylinders
- 8
- Transmission
- Automatic
- Drivetrain
- 4WD
- Fuel
- Diesel
- Doors
- 4
- Exterior color
- White
- Interior color
- Black
- MSRP
- $80,003
- VIN
- 1GT4UPEY1TF277903
Price history
| Date | Listed price |
|---|---|
| Sep 4, 2026 | $75,000 ↓ |
| Aug 24, 2026 | $78,000 ↓ |
| Aug 21, 2026 | $81,000 ↑ |
| Aug 7, 2026 | $80,003 |
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