2015 GMC Sierra 3500HD 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 / 25
$36,199
Used
On the market 33 days
Unique Imports
5915 E Speedway Blvd, Tucson, AZ
Stock #X588886
CarBuyingTips does not sell cars. Listings come from dealer inventory feeds and prices change often — always confirm with the seller.
Specifications
- Year
- 2015
- Make
- GMC
- Model
- Sierra 3500HD
- Trim
- Denali
- Body style
- Truck
- Mileage
- 137,561 mi
- Engine
- 6.6L 8-cylinder
- Horsepower
- 360 hp
- Torque
- 380 lb-ft
- Cylinders
- 8
- Transmission
- Automatic
- Drivetrain
- 4WD
- Fuel
- Diesel
- Doors
- 4
- Seats
- 5
- Exterior color
- Green
- Interior color
- Black
- MSRP
- $33,550
- VIN
- 1GT424E83FF588886
Price history
| Date | Listed price |
|---|---|
| Aug 24, 2026 | $36,199 ↑ |
| Aug 17, 2026 | $35,500 ↓ |
| Aug 16, 2026 | $36,199 ↑ |
| Aug 14, 2026 | $35,500 ↓ |
| Aug 12, 2026 | $36,199 ↑ |
| Aug 10, 2026 | $35,500 ↓ |
| Aug 9, 2026 | $36,199 ↑ |
| Aug 8, 2026 | $35,500 |
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