2026 GMC Sierra 3500 Denali
CarBuyingTips Insights
Before you make an offer
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Calculate true dealer cost
$82,899$85,799
UsedPrice drop
$2,900 below the MSRP of $85,799
On the market 4 days
Castle Rock Chevrolet GMC
1506 S Wilcox St, Castle Rock, CO
Stock #TF188373C
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
- Denali
- Body style
- Truck
- Mileage
- 7,967 mi
- Engine
- 6.6L V8
- Cylinders
- 8
- Transmission
- Automatic
- Drivetrain
- 4WD
- Fuel
- Diesel
- Doors
- 4
- Seats
- 5
- Interior color
- Black
- MSRP
- $85,799
- VIN
- 1GT4UWEYXTF188373
Price history
| Date | Listed price |
|---|---|
| Oct 12, 2026 | $82,899 ↓ |
| Oct 7, 2026 | $84,999 ↓ |
| Oct 3, 2026 | $85,799 |
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