2018 Porsche 718 Cayman
Price: £39,900. Fair price: £3,172 (7%) under the AskCar estimate of £43,072, our expected asking price for this car from its model, age, mileage and specification, drawing on 309 priced Porsche 718 Cayman adverts on AskCar as of 8 November 2026.
AskCar lists 321 used Porsche 718 Cayman from 208 UK dealerships, as of 8 November 2026.
Overview
- Make: Porsche
- Model: 718 Cayman
- Version: PDK RWD Euro 6 2dr
- Year: 2018
- Mileage: 49,780 miles
- Fuel: Petrol
- Body: Coupe, 2 doors, 2 seats
- Gearbox: Automatic (PDK)
- Drive: Rear-wheel drive
- Colour: Grey
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2018 Porsche 718 Cayman has covered 49,780 miles, around 10,400 more miles than is typical for its age. Its asking price of £39,900 is £3,172 below the AskCar estimate of £43,072. The AskCar estimate uses UK dealer asking prices, including 309 Porsche 718 Cayman adverts, and accounts for the car’s age, mileage and specification. It first appeared in our advert records today. The seller is Porsche Centre South London, based in Sidcup. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 8 November 2026.
Price
Fair price: £3,172 (7%) under the AskCar estimate of £43,072.
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 309 priced Porsche 718 Cayman adverts across different ages and specifications, as of 8 November 2026.
Time on sale
AskCar first saw this 2018 Porsche 718 Cayman advertised today. About half of 2018 Porsche 718 Cayman cars are gone from sale within a month of being advertised: 28 of the 59 first advertised between 11 July 2026 and 5 October 2026.
Price history
AskCar first saw this advert on 8 November 2026 at £39,900. Its asking price has not changed.
Mileage and MOT
Advertised mileage is about 10,400 miles higher than the median mileage of a 2018 Porsche 718 Cayman on AskCar.
Browse all Porsche 718 Cayman cars for sale · 2018 Porsche 718 Cayman price guide
More like this
Photos
5 photos of this car are on its AskCar page.
As of 8 November 2026, AskCar lists 595,629 cars and vans from 12,891 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.