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FinalBid / Copart + IAAI

2018 Porsche 718 Cayman auction results: final bids and sale history

FinalBid holds 174 completed Copart and IAAI auctions for 2018 Porsche 718 Cayman. Across 162 recorded USD final bids, the median sold price is $21,550. Most of those cars were sold with front end. Half of the 76 verified odometer readings sit above 49,359 mi. The oldest auction in the archive closed in Jun 21, 2019, the newest in Oct 19, 2026. Auction results for the 2018 Porsche 718 Cayman 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 Porsche 718 Cayman belongs in the sold-price range rather than guessing at an average.

$23,050
Median final bid
$20,750–$26,244
Middle half
$29,185
Top 10% from
$40,400
Highest

Price index

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

$15,100 $20,570 $26,030 $31,500 Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep $22,650

Copart vs IAAI

Copart 22 sold median $22,650
IAAI 16 sold median $23,100

Last 12 months · updated October 14, 2026

718 Cayman years

2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2012

Porsche models

356 718 Boxster 718 Cayman 718 Spyder 911 914 917 924 928 928S 930 944 968 Boxster Carrera GT Cayenne Cayman Macan Panamera Taycan

Auction archive FAQ

How much does a 2018 Porsche 718 Cayman sell for at Copart and IAAI?

Over the last 12 months the median final bid for a 2018 Porsche 718 Cayman was $23,050; half of the 38 sales went for $20,750 to $26,244.

Is a 2018 Porsche 718 Cayman cheaper at Copart or IAAI?

Median final bid over the last 12 months: Copart $22,650, IAAI $23,100.

How much does a 2018 Porsche 718 Cayman sell for at auction?

The auction results listed here are the answer — every 2018 Porsche 718 Cayman lot carries its own final bid. Read the range and place your car inside it instead of trusting one figure.

What pushes a 2018 Porsche 718 Cayman 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 Porsche 718 Cayman

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

Example VIN history →