2026 GMC Sierra 3500 AT4
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$75,298$80,999
UsedPrice cut 7%
$5,701 below the MSRP of $80,999
On the market 58 days
Castle Rock Chevrolet GMC
1506 S Wilcox St, Castle Rock, CO
Stock #TF174288C
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 3500
- Trim
- AT4
- Body style
- Truck
- Mileage
- 12,892 mi
- Engine
- 6.6L V8
- Cylinders
- 8
- Transmission
- Automatic
- Drivetrain
- 4WD
- Fuel
- Diesel
- Doors
- 4
- Seats
- 5
- Exterior color
- Black
- Interior color
- Black
- MSRP
- $80,999
- VIN
- 1GT4UVEY1TF174288
Price history
| Date | Listed price |
|---|---|
| Aug 14, 2026 | $75,298 ↓ |
| Aug 10, 2026 | $75,898 |
| Aug 8, 2026 | $75,898 ↑ |
| Aug 7, 2026 | $75,897 |
| Aug 7, 2026 | $75,897 ↓ |
| Jul 30, 2026 | $76,097 |
| Jul 30, 2026 | $76,097 ↓ |
| Jul 29, 2026 | $77,397 |
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