2018 GMC Sierra 3500 SLT

  • 45,552 mi
  • Bellingham, WA
  • Truck
  • Black
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
$47,098$50,199
UsedPrice cut 6%

$6,901 below the MSRP of $53,999

On the market 31 days


Honda of Bellingham

2010 Iowa St, Bellingham, WA

Stock #H6708B

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 3500
Trim
SLT
Body style
Truck
Mileage
45,552 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
Black
Interior color
Black
MSRP
$53,999
VIN
1GT42XCY6JF137514

Price history

DateListed price
Oct 14, 2026$47,098 ↓
Oct 10, 2026$48,637 ↓
Sep 28, 2026$49,724 ↓
Sep 25, 2026$50,199

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