2018 GMC Sierra 3500HD SLT

  • 117,777 mi
  • Roswell, GA
  • Truck
  • White
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
$33,700$36,500
UsedPrice cut 8%

$20,600 below the MSRP of $54,300

On the market 119 days


Cobb Luxury Cars

110 Mansell Circle, Unit 351, Roswell, GA

Stock #199910C

CarBuyingTips does not sell cars. Listings come from dealer inventory feeds and prices change often — always confirm with the seller.

Specifications

Year
2018
Make
GMC
Model
Sierra 3500HD
Trim
SLT
Body style
Truck
Mileage
117,777 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
White
Interior color
Brown
MSRP
$54,300
VIN
1GT42XEY9JF199910

Price history

DateListed price
Aug 15, 2026$33,700
Aug 8, 2026$33,700
Jul 22, 2026$36,000
Jul 22, 2026$36,000
Jul 19, 2026$36,500
Jul 13, 2026$34,400
Jun 28, 2026$34,400
Jun 23, 2026$34,700

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