What’s my Porsche 718 Cayman GTS worth?

Used Porsche 718 Cayman GTS at UK specialist dealers are asking from £39,995 to £58,990, with a median of £49,990 today (17 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 GTS for sale at the UK’s specialist dealers, which Vertar reads each day. Find your year below, then your mileage.

Asking prices by year

YearFor saleLowestMedianHighest
201912£45k£51k£59k
20185£40k£48k£54k

Asking prices by mileage

All years together, so a band’s figure also reflects the ages of the cars in it.

MileageFor saleLowestMedianHighest
5,000 to 15,0001£59k£59k£59k
15,000 to 30,0004£50k£54k£57k
30,000 to 60,00012£40k£47k£54k

Recently sold

The last asking price of each, and how long it took to sell.

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 GTS or see every one for sale.

Questions

How much is my Porsche 718 Cayman GTS worth?

Used Porsche 718 Cayman GTS at UK specialist dealers are asking from £39,995 to £58,990, with a median of £49,990 today (17 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.

Where can I sell my Porsche 718 Cayman GTS?

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.