2018 Porsche 718 Cayman Market Value & Price History
The 2018 Porsche 718 Cayman has a current market value of $44,934 as of Oct 13, 2026, based on 14 verified auction sales tracked by DriveIndex, with half of the verified USD sales since 2021 between $40,750 and $46,250. Based on US sales through Aug 13, 2026. 6 have sold in the past 12 months, and 23 are listed for sale from $39,790 to $66,985. The median sale price is down 1.1% over the past 12 months versus one to three years ago.
Data: DriveIndex. 14 verified auction sales for the 2018 Porsche 718 Cayman, latest sale Aug 13, 2026. Value as of Oct 13, 2026. Methodology
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Last checked Oct 11, 2026, unless a listing shows its own date
2018 Porsche 718 Cayman Price History
The median 2018 Porsche 718 Cayman sold for $44,250 in 2026, against $44,500 in 2024. Each row is the median of the verified sales recorded in that calendar year, so it moves with the mix of mileages and options that came to market as well as with the market itself.
| Year | Median sale | Sales |
|---|---|---|
| 2026 | $44,250 | 4 |
| 2025 | $46,250 | 3 |
| 2024 | $44,500 | 3 |
Years with fewer than three verified USD sales are omitted — a one-sale “median” is a single car, not a market.
Recent 2018 Porsche 718 Cayman Auction Results
| Sold | Price | Mileage | Gearbox |
|---|---|---|---|
| Aug 13, 2026 | $44,000 | 56,000 mi | — |
| Apr 2, 2026 | $44,500 | 28,000 mi | — |
| Feb 27, 2026 | $46,250 | 19,000 mi | Manual |
| Feb 26, 2026 | $35,000 | 51,250 mi | Manual |
| Dec 9, 2025 | $46,250 | 47,500 mi | Manual |
| Dec 1, 2025 | $43,500 | 14,788 mi | Manual |
| Sep 25, 2025 | $49,982 | 15,600 mi | Manual |
| Oct 30, 2024 | $37,000 | 41,000 mi | — |
| Aug 14, 2024 | $44,500 | 32,000 mi | — |
| Feb 1, 2024 | $45,000 | 31,000 mi | Automatic |
| Oct 15, 2022 | $40,250 | 98,000 mi | — |
| May 11, 2022 | $55,000 | 19,800 mi | Manual |
| Aug 24, 2021 | $53,000 | 11,100 mi | Automatic |
| Jan 4, 2021 | $40,750 | — | Automatic |
Verified results from the world's leading collector-car auction houses and marketplaces.
All Porsche 718 Cayman auction results →See the full picture on the 2018 Porsche 718 Cayman
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Porsche 718 Cayman by Year
2018 Porsche 718 Cayman: Frequently Asked Questions
How much is a 2018 Porsche 718 Cayman worth?
A 2018 Porsche 718 Cayman is worth approximately $44,934 as of Oct 13, 2026, based on 14 verified auction sales tracked by DriveIndex. Based on US sales through Aug 13, 2026. Half of all verified sales fall between $40,750 and $46,250; the full verified range is $35,000 to $55,000. Condition, mileage and options move an individual car within that band.
How much did a 2018 Porsche 718 Cayman cost new?
The 2018 Porsche 718 Cayman carried an original MSRP of $53,900. Verified examples now trade around $44,934.
How much has the 2018 Porsche 718 Cayman depreciated?
The 2018 Porsche 718 Cayman is worth about 17% less than it cost new: it carried an original MSRP of $53,900, and verified examples now trade around $44,934. That compares today's value with the sticker price, not adjusted for inflation.
How many 2018 Porsche 718 Cayman sell per year?
6 have sold at auction in the past 12 months. DriveIndex has tracked 14 2018 Porsche 718 Cayman sales in total.
Are 2018 Porsche 718 Cayman sale prices higher or lower than a year ago?
The median 2018 Porsche 718 Cayman sale price is down 1.1% over the past 12 months versus one to three years ago, based on verified auction sales. That figure tracks the median of what actually sold, so it moves with the mix of mileages and options that came to market as well as with the market itself. The full Value Signal classification (appreciating, stable, bottomed, or depreciating) and its 1–5 year projection are part of DriveIndex Pro.
Where can I buy a 2018 Porsche 718 Cayman?
DriveIndex lists 23 2018 Porsche 718 Cayman for sale, priced from $39,790 to $66,985 (last checked Oct 12, 2026). DriveIndex aggregates for-sale listings and auction results from the world's leading collector-car auction houses and marketplaces.
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