2018 Porsche 718 Cayman 2.5 GTS

Version: 2.5 GTS PDK RWD Euro 6 2dr (359 bhp)

Price: £53,000. Fair price: £1,641 (3%) over the AskCar estimate of £51,359, our expected asking price for this car from its model, age, mileage and specification, drawing on 302 priced Porsche 718 Cayman adverts on AskCar as of 1 November 2026.

AskCar lists 311 used Porsche 718 Cayman from 201 UK dealerships, as of 1 November 2026.

Overview

Make
Porsche
Model
718 Cayman
Trim
GTS
Version
2.5 GTS PDK RWD Euro 6 2dr (359 bhp)
Mileage
27,000 miles
Year
2018
Fuel type
Petrol
Body type
Coupe
Engine
2.5 L
Gearbox
Automatic
Power
359 bhp
Seats
2
CO2
209 g/km
Colour
White
Doors
2
Driven wheels
Rear Wheel Drive
Gearbox version
PDK
Engine badge
GTS
Emissions standard
Euro 6

About this car

At 27,000 miles, this 2018 Porsche 718 Cayman Gts has covered about 13,500 fewer miles than other 2018 Porsche 718 Cayman cars. The AskCar estimate for this car is £51,359. It is priced at £53,000, which is £1,641 above that estimate. The AskCar estimate draws on 302 Porsche 718 Cayman adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 3 days. MOT records show an expiry date of 29 May 2027, and the latest recorded mileage is consistent with the advert. The seller is Rsj Sports Cars, based in Slough.

Stock data as of 1 November 2026.

How we estimate prices and check cars

Price history

AskCar first saw this advert on 29 October 2026, 3 days ago.

Recorded asking prices
Date observedAsking price
29 October 2026£53,000
1 November 2026£53,000

Price and mileage comparison

Fair price: £1,641 (3%) over the AskCar estimate of £51,359.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 302 priced Porsche 718 Cayman adverts across different ages and specifications, as of 1 November 2026.

Advertised mileage is about 13,500 miles lower than the median mileage of a 2018 Porsche 718 Cayman on AskCar.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT: valid until 29 May 2027. 25,980 miles at the last test.

Other matching cars

12 other 2018 Porsche 718 Cayman GTS automatic petrol cars are for sale at UK dealers from £39,950 to £59,999, as of 1 November 2026.

The 5 cheapest:

The 12 matching cars have covered 6,429 to 74,332 miles, compared with 27,000 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.

Browse all Porsche 718 Cayman cars for sale · 2018 Porsche 718 Cayman price guide

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Photos

31 photos of this car are on its AskCar page.

How to contact the dealer and its opening hours are on this AskCar page.

As of 1 November 2026, AskCar lists 578,994 cars and vans from 12,654 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.