2020 GMC Sierra 3500HD SLT

  • 23,286 mi
  • McKinney, TX
  • Truck
  • Silver
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
$53,881
UsedBelow MSRP

$3,114 below the MSRP of $56,995

Listed today


Pat Lobb Toyota of McKinney

3350 S. CENTRAL EXPRESSWAY, McKinney, TX

Stock #156487A

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

Specifications

Year
2020
Make
GMC
Model
Sierra 3500HD
Trim
SLT
Body style
Truck
Mileage
23,286 mi
Engine
6.6L 8-cylinder
Cylinders
8
Transmission
Automatic
Drivetrain
4WD
Fuel
Diesel
Doors
4
Exterior color
Silver
Interior color
Black
MSRP
$56,995
VIN
1GT49UEY8LF182304

Price history

DateListed price
Oct 14, 2026$53,881 ↓
Oct 14, 2026$54,106 ↑
Oct 14, 2026$53,881

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