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FinalBid / Copart + IAAI

2018 GMC Acadia auction results: final bids and sale history

FinalBid holds 5,281 completed Copart and IAAI auctions for 2018 GMC Acadia. Across 5,000 recorded USD final bids, the median sold price is $3,600. Most of those cars were sold with front end. Half of the 2,554 verified odometer readings sit above 113,402 mi. The oldest auction in the archive closed in Jun 27, 2019, the newest in Oct 28, 2026. Auction results for the 2018 GMC Acadia 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 Acadia belongs in the sold-price range rather than guessing at an average.

$2,900
Median final bid
$1,950–$3,887
Middle half
$5,050
Top 10% from
$16,250
Highest
2018 GMC Acadia SLE
Sold
$750

2018 GMC Acadia SLE

Copart 99312395 1GKKNSLS9JZ219219

Front end · 140,118 mi · Fort Wayne, IN, USA

Non-repairable · Keys Mar 16, 2026
2018 GMC Acadia SLE
Sold
$3,000

2018 GMC Acadia SLE

Copart 41722866 1GKKNKLA1JZ116044

Minor dents & scratches · 160,019 mi · St. Louis, MO, USA

Clean title · Keys Mar 13, 2026

Price index

Median final bid by month (line) and number of sales (bars), last 12 months.

$2,100 $2,570 $3,030 $3,500 Oct Nov Dec Jan Mar Mar Apr May Jun Jul Aug Sep Oct $3,300

Where they go

Buyer country of the winning bid, with the median price and model year each market buys. Shares of 1,291 sales with a known buyer country.

Buyer country Share Median final bid Median model year
United States
78%
$2,900 2018
Mexico
21%
$2,600 2018
XX
0.3%
$4,275 2018
United Arab Emirates
0.2%
$2,150 2018
Ukraine
0.2%
$3,175 2018
Bahamas
0.1%
$2,550 2018
Belize
0.1%
$5,950 2018
Guatemala
0.1%
$3,450 2018
Iraq
0.1%
$575 2018
Lebanon
0.1%
$3,100 2018
Uzbekistan
0.1%
$2,550 2018

Country totals only. Individual lots do not show the buyer's country.

Copart vs IAAI

Copart 1,009 sold median $2,800
IAAI 617 sold median $3,050

Last 12 months · updated October 14, 2026

Acadia years

2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007

GMC models

Acadia Caballero Canyon Denali Envoy Hummer EV Jimmy Rally Safari Safari Cargo Savana Savana Cargo Savana Commercial Sierra 1500 Sierra 1500HD Sierra 1500HD Classic Sierra 2500 Sierra 2500HD Sierra 3500 Sierra 3500HD Sierra Denali Sierra Denali Classic Sierra EV Sonoma Suburban Terrain Van Vandura Yukon Yukon Denali Yukon XL

Auction archive FAQ

How much does a 2018 GMC Acadia sell for at Copart and IAAI?

Over the last 12 months the median final bid for a 2018 GMC Acadia was $2,900; half of the 1,626 sales went for $1,950 to $3,887.

Where do 2018 GMC Acadia cars from US auctions go?

Among sales with a known buyer country: United States (78%), Mexico (21%), XX (0%).

Is a 2018 GMC Acadia cheaper at Copart or IAAI?

Median final bid over the last 12 months: Copart $2,800, IAAI $3,050.

How much does a 2018 GMC Acadia sell for at auction?

The auction results listed here are the answer — every 2018 GMC Acadia 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 Acadia 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.

VIN history beyond the auction

Look past the final bid on any 2018 GMC Acadia

Title brands, accident reports and odometer entries: the VIN history behind any auction lot.

Example VIN history →