2018 Porsche 718 Cayman 2.5 GTS
Price: £44,999. Fair price: £555 (1%) over the AskCar estimate of £44,444, our expected asking price for this car from its model, age, mileage and specification, drawing on 315 priced Porsche 718 Cayman adverts on AskCar as of 6 November 2026.
AskCar lists 326 used Porsche 718 Cayman from 212 UK dealerships, as of 6 November 2026.
Overview
- Make: Porsche
- Model: 718 Cayman
- Trim: GTS
- Version: 2.5 T GTS PDK RWD Euro 6 (s/s) 2dr (360 bhp)
- Year: 2018
- Mileage: 50,000 miles
- Fuel: Petrol
- Body: Coupe, 2 doors, 2 seats
- Engine: 2.5 litres, 360 bhp
- Gearbox: Automatic (PDK)
- Drive: Rear-wheel drive
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2018 Porsche 718 Cayman Gts is advertised with 50,000 miles, approximately 10,600 above the typical mileage for its age. The dealer is asking £44,999, which is £555 above the AskCar estimate of £44,444. To work out the AskCar estimate, we analyse UK dealer adverts for 315 Porsche 718 Cayman cars across different ages and specifications. We have tracked this advert for 39 days. You can find this car at MSK Cars in Kentish Town. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 6 November 2026.
Price
Fair price: £555 (1%) over the AskCar estimate of £44,444.
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 315 priced Porsche 718 Cayman adverts across different ages and specifications, as of 6 November 2026.
A 2018 Porsche 718 Cayman with the 2.5 petrol engine is typically advertised at £45,000: the median of the 30 for sale on AskCar, as of 6 November 2026.
Time on sale
This 2018 Porsche 718 Cayman has been on sale for at least 39 days.
Price history
AskCar first saw this advert on 28 September 2026 at £44,999. Its asking price has not changed.
Mileage and MOT
Advertised mileage is about 10,600 miles higher than the median mileage of a 2018 Porsche 718 Cayman on AskCar.
Similar cars
13 other 2018 Porsche 718 Cayman GTS 2.5 petrol automatic coupes are for sale at UK dealers, from £38,950 to £59,999, as of 6 November 2026.
The 3 closest to this car in mileage:
- 2018 Porsche 718 Cayman GTS, 2.5 petrol coupe, white. Mileage: 50,000 miles. Price: £42,491, £2,508 less than this car. Dealer: Autothentic in Tockwith. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2018-f2a61dfa0925
- 2018 Porsche 718 Cayman GTS, 2.5 petrol coupe, grey. Mileage: 48,452 miles. Price: £43,975, £1,024 less than this car. Dealer: Junction 17 Cars Limited t/a Junction 17 Cars (Grantham) in Grantham. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2018-ef6cd33bb451
- 2018 Porsche 718 Cayman GTS, 2.5 petrol coupe, black. Mileage: 48,000 miles. Price: £45,995, £996 more than this car. Dealer: Scotish Van Centre in Loanhead. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2018-749ae8898e76
- The nearest: 2018 Porsche 718 Cayman GTS, 2.5 petrol coupe, blue, 18 miles from this car. Mileage: 24,000 miles. Price: £44,995, the same price as this car. Dealer: Ace Prestige in Chalfont St Peter. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2018-eb12d0edc77b
Browse all Porsche 718 Cayman cars for sale · 2018 Porsche 718 Cayman price guide
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Photos
47 photos of this car are on its AskCar page.
As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.