2018 Porsche 718 Cayman GTS Market Value & Price History
The 2018 Porsche 718 Cayman GTS has a current market value of $70,255 as of Oct 13, 2026, based on 15 verified auction sales tracked by DriveIndex, with half of the verified USD sales since 2022 between $65,000 and $76,000. Based on US sales through Oct 12, 2026. 4 have sold in the past 12 months, and 15 are listed for sale from $59,950 to $90,959. The median sale price is down 4.7% over the past 12 months versus one to three years ago.
Data: DriveIndex. 15 verified auction sales for the 2018 Porsche 718 Cayman GTS, latest sale Oct 12, 2026. Value as of Oct 13, 2026. Methodology
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Last checked Oct 12, 2026, unless a listing shows its own date
2018 Porsche 718 Cayman GTS Price History
The median 2018 Porsche 718 Cayman GTS sold for $74,000 in 2026, against $65,000 in 2023. 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 | $74,000 | 3 |
| 2024 | $73,500 | 3 |
| 2023 | $65,000 | 5 |
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 GTS Auction Results
| Sold | Price | Mileage | Gearbox |
|---|---|---|---|
| Oct 12, 2026 | $74,000 | 10,000 mi | Automatic |
| Sep 16, 2026 | $46,555 | 32,200 mi | Manual |
| May 11, 2026 | $77,000 | 4,700 mi | — |
| Dec 15, 2025 | $68,500 | 3,500 mi | Automatic |
| Sep 3, 2025 | $76,000 | 2,000 mi | — |
| Aug 5, 2024 | $73,500 | 5,000 mi | Automatic |
| Apr 1, 2024 | $80,000 | 15,000 mi | Automatic |
| Jan 11, 2024 | $68,000 | 7,000 mi | Automatic |
| Sep 7, 2023 | $63,718 | 27,600 mi | Manual |
| Aug 29, 2023 | $48,500 | 69,500 mi | Automatic |
| May 31, 2023 | $65,000 | 15,000 mi | Automatic |
| Mar 16, 2023 | $71,000 | 17,400 mi | Automatic |
| Jan 26, 2023 | $76,000 | 1,300 mi | Automatic |
| Dec 20, 2022 | $60,000 | 47,386 mi | Automatic |
| Dec 8, 2022 | $68,000 | 16,800 mi | Manual |
Verified results from the world's leading collector-car auction houses and marketplaces.
All Porsche 718 Cayman GTS auction results →See the full picture on the 2018 Porsche 718 Cayman GTS
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Porsche 718 Cayman GTS by Year
2018 Porsche 718 Cayman GTS: Frequently Asked Questions
How much is a 2018 Porsche 718 Cayman GTS worth?
A 2018 Porsche 718 Cayman GTS is worth approximately $70,255 as of Oct 13, 2026, based on 15 verified auction sales tracked by DriveIndex. Based on US sales through Oct 12, 2026. Half of all verified sales fall between $65,000 and $76,000; the full verified range is $46,555 to $80,000. Condition, mileage and options move an individual car within that band.
How much did a 2018 Porsche 718 Cayman GTS cost new?
The 2018 Porsche 718 Cayman GTS carried an original MSRP of $80,700. Verified examples now trade around $70,255.
How much has the 2018 Porsche 718 Cayman GTS depreciated?
The 2018 Porsche 718 Cayman GTS is worth about 13% less than it cost new: it carried an original MSRP of $80,700, and verified examples now trade around $70,255. That compares today's value with the sticker price, not adjusted for inflation.
How many 2018 Porsche 718 Cayman GTS sell per year?
4 have sold at auction in the past 12 months. DriveIndex has tracked 15 2018 Porsche 718 Cayman GTS sales in total.
Are 2018 Porsche 718 Cayman GTS sale prices higher or lower than a year ago?
The median 2018 Porsche 718 Cayman GTS sale price is down 4.7% 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 GTS?
DriveIndex lists 15 2018 Porsche 718 Cayman GTS for sale, priced from $59,950 to $90,959 (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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