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 / 37
$32,170$34,240
UsedPrice cut 6%
$1,000 below the MSRP of $33,170
On the market 13 days
Northport Motors LLC
493 E Jericho Tpke, Huntington Station, NY
Stock #665686
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
- 156,238 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
- White
- Interior color
- Brown
- MSRP
- $33,170
- VIN
- 1GT424E88FF665686
Price history
| Date | Listed price |
|---|---|
| Oct 14, 2026 | $32,170 ↓ |
| Oct 14, 2026 | $33,240 ↑ |
| Oct 14, 2026 | $32,170 ↓ |
| Oct 11, 2026 | $33,170 ↓ |
| Oct 10, 2026 | $34,240 ↑ |
| Oct 9, 2026 | $33,170 ↓ |
| Oct 5, 2026 | $34,240 ↑ |
| Oct 5, 2026 | $33,170 |
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