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FinalBid / Copart + IAAI

2018 GMC Yukon XL auction results: final bids and sale history

FinalBid holds 1,343 completed Copart and IAAI auctions for 2018 GMC Yukon XL. Across 1,273 recorded USD final bids, the median sold price is $7,900. Most of those cars were sold with front end. Half of the 625 verified odometer readings sit above 132,118 mi. The oldest auction in the archive closed in Jun 12, 2019, the newest in Oct 23, 2026. Auction results for the 2018 GMC Yukon XL 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 Yukon XL belongs in the sold-price range rather than guessing at an average.

$6,575
Median final bid
$4,788–$8,525
Middle half
$10,800
Top 10% from
$21,600
Highest

Price index

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

$4,700 $5,870 $7,030 $8,200 Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct $5,050

Where they go

Buyer country of the winning bid, with the median price and model year each market buys. Shares of 338 sales with a known buyer country.

Buyer country Share Median final bid Median model year
United States
81%
$6,800 2018
Mexico
9%
$5,900 2018
Oman
6%
$5,700 2018
United Arab Emirates
2%
$5,550 2018
El Salvador
0.6%
$8,250 2018
Bahamas
0.3%
$8,950 2018
Belize
0.3%
$11,350 2018
Guatemala
0.3%
$7,150 2018
Lebanon
0.3%
$12,225 2018
XX
0.3%
$6,400 2018

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

Copart vs IAAI

Copart 282 sold median $6,200
IAAI 150 sold median $7,100

Last 12 months · updated October 14, 2026

Yukon XL years

2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1995 1994 1993 1992 1976

GMC models

1 Ton Pickups 2500 Pickups 3500 Pickups Acadia Caballero Canyon Denali Envoy HUMMER EV HUMMER EV Pickup Jimmy Rally S15 4WD 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 Yukon XL sell for at Copart and IAAI?

Over the last 12 months the median final bid for a 2018 GMC Yukon XL was $6,575; half of the 432 sales went for $4,788 to $8,525.

Where do 2018 GMC Yukon XL cars from US auctions go?

Among sales with a known buyer country: United States (81%), Mexico (9%), Oman (6%).

Is a 2018 GMC Yukon XL cheaper at Copart or IAAI?

Median final bid over the last 12 months: Copart $6,200, IAAI $7,100.

How much does a 2018 GMC Yukon XL sell for at auction?

The auction results listed here are the answer — every 2018 GMC Yukon XL 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 Yukon XL 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 Yukon XL

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

Example VIN history →