2021 GMC Sierra 3500HD SLT

  • 18,338 mi
  • Tucson, AZ
  • 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
$62,391$65,362
UsedPrice drop

$2,382 below the MSRP of $64,773

On the market 139 days


Chapman Honda Tucson

4426 E 22nd St, Tucson, AZ

Stock #H2670716

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

Specifications

Year
2021
Make
GMC
Model
Sierra 3500HD
Trim
SLT
Body style
Truck
Mileage
18,338 mi
Engine
6.6L 8-cylinder
Horsepower
401 hp
Torque
464 lb-ft
Cylinders
8
Transmission
Automatic
Drivetrain
4WD
Fuel
Diesel
Doors
4
Seats
6
Exterior color
Black
Interior color
Black
MSRP
$64,773
VIN
1GT49UEY6MF216872

Price history

DateListed price
Sep 4, 2026$62,391
Aug 24, 2026$62,588
Aug 17, 2026$61,105
Aug 16, 2026$60,516
Aug 16, 2026$61,105
Aug 12, 2026$61,440
Aug 9, 2026$61,440
Aug 8, 2026$60,851

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
2021 GMC Sierra 3500HD SLT for Sale | CarBuyingTips.com