2026 GMC Sierra 3500 Denali
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 / 26
$84,877
NewBelow MSRP
$1,353 below the MSRP of $86,230
On the market 62 days
Dave Sinclair Buick GMC
5655 S Lindbergh Blvd, St Louis, MO
Stock #T261620
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
- New
- Engine
- 6.6L V8
- Cylinders
- 8
- Transmission
- Automatic
- Drivetrain
- 4WD
- Fuel
- Diesel
- Doors
- 4
- Seats
- 5
- Exterior color
- White
- Interior color
- Brown
- MSRP
- $86,230
- VIN
- 1GT4UWEY9TF336142
Price history
| Date | Listed price |
|---|---|
| Aug 27, 2026 | $84,877 ↓ |
| Aug 24, 2026 | $85,496 ↓ |
| Aug 24, 2026 | $86,877 ↓ |
| Aug 21, 2026 | $87,349 ↑ |
| Aug 17, 2026 | $86,849 ↓ |
| Aug 16, 2026 | $87,468 ↑ |
| Aug 15, 2026 | $86,849 ↓ |
| Aug 12, 2026 | $87,468 |
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