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FinalBid / Copart + IAAI

2018 Mazda MX-5 Miata auction results: final bids and sale history

FinalBid holds 462 completed Copart and IAAI auctions for 2018 Mazda MX-5 Miata. Across 458 recorded USD final bids, the median sold price is $4,038. Most of those cars were sold with front end. Half of the 245 verified odometer readings sit above 42,523 mi. The oldest auction in the archive closed in May 30, 2019, the newest in Oct 23, 2026. Auction results for the 2018 Mazda MX-5 Miata 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 Mazda MX-5 Miata belongs in the sold-price range rather than guessing at an average.

$3,950
Median final bid
$3,050–$5,700
Middle half
$6,800
Top 10% from
$14,300
Highest

Price index

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

$2,800 $3,830 $4,870 $5,900 Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct $3,850

Where they go

Buyer country of the winning bid, with the median price and model year each market buys. Shares of 75 sales with a known buyer country.

Buyer country Share Median final bid Median model year
United States
79%
$3,500 2018
Georgia
8%
$5,475 2018
Guatemala
3%
$3,675 2018
Mexico
3%
$4,425 2018
El Salvador
3%
$3,650 2018
Ukraine
3%
$5,575 2018
United Kingdom
1%
$3,050 2018
Lebanon
1%
$7,400 2018

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

Copart vs IAAI

Copart 57 sold median $3,900
IAAI 36 sold median $4,750

Last 12 months · updated October 14, 2026

MX-5 Miata 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 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990

Mazda models

2 3 323 5 6 626 929 B-Series Bongo Friendee CX-3 CX-30 CX-5 CX-50 CX-7 CX-70 CX-9 CX-90 Millenia MPV MX-3 MX-30 MX-5 Miata MX-6 Navajo Protege Roadster RX-7 RX-8 Scrum Tribute

Auction archive FAQ

How much does a 2018 Mazda MX-5 Miata sell for at Copart and IAAI?

Over the last 12 months the median final bid for a 2018 Mazda MX-5 Miata was $3,950; half of the 93 sales went for $3,050 to $5,700.

Where do 2018 Mazda MX-5 Miata cars from US auctions go?

Among sales with a known buyer country: United States (79%), Georgia (8%), Guatemala (3%).

Is a 2018 Mazda MX-5 Miata cheaper at Copart or IAAI?

Median final bid over the last 12 months: Copart $3,900, IAAI $4,750.

How much does a 2018 Mazda MX-5 Miata sell for at auction?

The auction results listed here are the answer — every 2018 Mazda MX-5 Miata lot carries its own final bid. Read the range and place your car inside it instead of trusting one figure.

What pushes a 2018 Mazda MX-5 Miata 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 Mazda MX-5 Miata

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

Example VIN history →