What’s my Porsche 718 Cayman GT4 RS worth?
Used Porsche 718 Cayman GT4 RS at UK specialist dealers are asking from £126,995 to £164,995, with a median of £138,499 today (15 for sale).
These are asking prices, not what cars sell for or what a dealer would pay you. Buyers usually negotiate, and a dealer buying your car offers less than it would ask, to cover preparation, a warranty and its margin.
As of 13 November 2026, from every Porsche 718 Cayman GT4 RS for sale at the UK’s specialist dealers, which Vertar reads each day. Find your year below, then your mileage.
Asking prices by year
| Year | For sale | Lowest | Median | Highest |
|---|---|---|---|---|
| 2025 | 3 | £135k | £150k | £165k |
| 2024 | 6 | £133k | £139k | £144k |
| 2023 | 5 | £127k | £130k | £145k |
| 2022 | 1 | £135k | £135k | £135k |
Asking prices by mileage
All years together, so a band’s figure also reflects the ages of the cars in it.
| Mileage | For sale | Lowest | Median | Highest |
|---|---|---|---|---|
| Under 5,000 miles | 8 | £130k | £139k | £165k |
| 5,000 to 15,000 | 7 | £127k | £137k | £144k |
How quickly they sell
0% of Porsche 718 Cayman GT4 RS for sale at UK specialists have had a price cut, of 13.
A car priced near the median for its year and mileage sells sooner; one priced well above usually waits, then has its price cut.
Recently sold
The last asking price of each, and how long it took to sell.
2024 Porsche 718 Cayman GT4 RSSold 12 Nov
2023 Porsche 718 Cayman GT4 RSSold 7 Nov, last asking £130,000
2023 Porsche 718 Cayman GT4 RSSold 6 Nov
2023 Porsche 718 Cayman GT4 RSSold after 80 days, last asking £127,950
2023 Porsche 718 Cayman GT4 RSSold after 37 days, last asking £126,950
2022 Porsche 718 Cayman GT4 RSSold after 5 days, last asking £150,000
Selling yours?
Every way to sell a performance car in the UK, what each costs you and how long it takes: how to sell a performance car. Buying instead? Where to buy a used Porsche 718 Cayman GT4 RS or see every one for sale.
Questions
How much is my Porsche 718 Cayman GT4 RS worth?
Used Porsche 718 Cayman GT4 RS at UK specialist dealers are asking from £126,995 to £164,995, with a median of £138,499 today (15 for sale). These are asking prices, not what cars sell for or what a dealer would pay you. Buyers usually negotiate, and a dealer buying your car offers less than it would ask, to cover preparation, a warranty and its margin.
How quickly do Porsche 718 Cayman GT4 RS sell?
0% of Porsche 718 Cayman GT4 RS for sale at UK specialists have had a price cut, of 13.
Where can I sell my Porsche 718 Cayman GT4 RS?
To a specialist dealer (quickest, at a trade price), as a part-exchange, on sale or return through a specialist, through an online car-buying service, at auction, or privately through a classified advert. Our guide to selling compares them.