2015 GMC Sierra 2500HD SLT

  • 135,083 mi
  • Truck
  • Gray
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
$29,299$32,299
UsedPrice cut 9%

$2,201 below the MSRP of $31,500

On the market 8 days


Stock #C3572

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 2500HD
Trim
SLT
Body style
Truck
Mileage
135,083 mi
Engine
6.6L 8-cylinder
Horsepower
360 hp
Torque
380 lb-ft
Cylinders
8
Transmission
Automatic
Drivetrain
4WD
Fuel
Diesel
Doors
4
Seats
6
Exterior color
Gray
Interior color
Brown
MSRP
$31,500
VIN
1GT12ZE84FF159725

Price history

DateListed price
Oct 3, 2026$29,299 ↓
Sep 25, 2026$32,299

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