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FinalBid / Copart + IAAI

2018 Infiniti Q50 auction results: final bids and sale history

FinalBid holds 5,359 completed Copart and IAAI auctions for 2018 Infiniti Q50. Across 4,971 recorded USD final bids, the median sold price is $3,625. Most of those cars were sold with front end. Half of the 3,396 verified odometer readings sit above 86,820 mi. The oldest auction in the archive closed in Jun 11, 2019, the newest in Oct 13, 2026. Auction results for the 2018 Infiniti Q50 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 Infiniti Q50 belongs in the sold-price range rather than guessing at an average.

$3,150
Median final bid
$2,125–$4,400
Middle half
$5,985
Top 10% from
$15,300
Highest

Price index

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

$2,600 $2,930 $3,270 $3,600 Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct $2,800

Where they go

Buyer country of the winning bid, with the median price and model year each market buys. Shares of 1,542 sales with a known buyer country.

Buyer country Share Median final bid Median model year
United States
93%
$3,100 2018
Mexico
2%
$3,363 2018
El Salvador
2%
$3,025 2018
Guatemala
1%
$3,150 2018
United Arab Emirates
0.3%
$1,550 2018
Oman
0.3%
$2,200 2018
Georgia
0.3%
$4,100 2018
XX
0.3%
$3,525 2018
Bolivia
0.2%
$2,800 2018
Honduras
0.1%
$3,100 2018
Ukraine
0.1%
$4,825 2018
Dominican Republic
0.1%
$3,400 2018
Other countries 0%

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

Copart vs IAAI

Copart 1,316 sold median $3,050
IAAI 701 sold median $3,350

Last 12 months · updated October 14, 2026

Q50 years

2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014

Infiniti models

EX FX G20 G25 G35 G37 I30 I35 J30 JX35 M M30 Q40 Q45 Q50 Q60 Q70 QX30 QX4 QX50 QX55 QX56 QX60 QX65 QX70 QX80

Auction archive FAQ

How much does a 2018 Infiniti Q50 sell for at Copart and IAAI?

Over the last 12 months the median final bid for a 2018 Infiniti Q50 was $3,150; half of the 2,017 sales went for $2,125 to $4,400.

Where do 2018 Infiniti Q50 cars from US auctions go?

Among sales with a known buyer country: United States (93%), Mexico (2%), El Salvador (2%).

Is a 2018 Infiniti Q50 cheaper at Copart or IAAI?

Median final bid over the last 12 months: Copart $3,050, IAAI $3,350.

How much does a 2018 Infiniti Q50 sell for at auction?

The auction results listed here are the answer — every 2018 Infiniti Q50 lot carries its own final bid. Read the range and place your car inside it instead of trusting one figure.

What pushes a 2018 Infiniti Q50 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 Infiniti Q50

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

Example VIN history →