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FinalBid / Copart + IAAI

2018 GMC Sierra 1500 auction results: final bids and sale history

FinalBid holds 4,072 completed Copart and IAAI auctions for 2018 GMC Sierra 1500. Across 3,800 recorded USD final bids, the median sold price is $7,400. Most of those cars were sold with front end. Half of the 3,388 verified odometer readings sit above 111,645 mi. The oldest auction in the archive closed in Jun 20, 2019, the newest in Sep 26, 2026. Auction results for the 2018 GMC Sierra 1500 at Copart and IAAI. Each sold lot below shows the final bid together with the damage, odometer and title that explain it, so you can see where a particular 2018 GMC Sierra 1500 belongs in the sold-price range rather than guessing at an average.

Final bid VIN Copart IAAI

Auction results at a glance

Auctions on record
4,072
Final bids recorded
3,800
Median final bid from 3,800 auctions
$7,400
Average final bid from 3,800 auctions
$7,782
Where most final bids land
$5,100 – $10,000
Lowest / highest final bid
$0 / $30,000
Median odometer from 3,388 auctions
111,645 mi
Sold with keys
94%
Copart / IAAI
69% / 31%
Auction dates
Jun 20, 2019 – Sep 26, 2026

Damage recorded at sale

  • Front end 49%
  • Side 13%
  • Rear end 11%

Auction archive FAQ

How much auction history is there for 2018 GMC Sierra 1500?

4,072 completed Copart and IAAI auctions, with sale dates between Jun 20, 2019 and Sep 26, 2026.

What is the average final bid for 2018 GMC Sierra 1500 at auction?

Across 3,800 recorded USD sales the median final bid is $7,400, with the average pulled to $7,782 by the outliers at either end.

What damage do most 2018 GMC Sierra 1500 auction lots carry?

front end leads, on 49% of the auctions — worth knowing before you read the low end of the sold-price range.

How many miles do 2018 GMC Sierra 1500 cars have when sold at auction?

Half of the 3,388 verified odometer readings sit above 111,645 mi and half below it.

How much does a 2018 GMC Sierra 1500 sell for at auction?

The auction results listed here are the answer — every 2018 GMC Sierra 1500 lot carries its own final bid. Read the range and place your car inside it instead of trusting one figure.

What pushes a 2018 GMC Sierra 1500 final bid to the bottom of the range?

Water and fire losses, missing keys, deployed airbags and a branded title. Any two of those together usually explain a sold price that looks improbably low.

Full vehicle history report

Check any 2018 GMC Sierra 1500 before you buy

Reported accidents, odometer rollbacks, title brands and past owners — get the full history report for any VIN.

See a sample report first →