2018 Porsche 718 Cayman 2.5 GTS

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: 57,487 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 2 seats
• Engine: 2.5 litres, 360 bhp
• Gearbox: Automatic (PDK)
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 186 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 57,487 miles on the clock, this 2018 Porsche 718 Cayman Gts has done roughly 18,100 more miles than a typical 2018 Porsche 718 Cayman. Priced at £40,995, it is advertised £1,593 below the AskCar estimate of £42,588. The AskCar estimate uses 313 UK dealer adverts for the Porsche 718 Cayman, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 89 days ago, and its asking price has since fallen by £7,000. The government's MOT record matches its advertised mileage. You can find this car at Eporsch in Woking. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,593 (3%) under the AskCar estimate of £42,588.

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 313 priced Porsche 718 Cayman adverts across different ages and specifications, as of 5 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 5 November 2026.

Time on sale

This 2018 Porsche 718 Cayman has been on sale for at least 89 days.

Price history

AskCar first saw this advert on 8 August 2026 at £47,995. Its asking price is now £40,995, £7,000 less. The latest price cut was seen on 6 October 2026.

Price changes recorded:

• 8 August 2026: £47,995
• 18 August 2026: £43,995
• 22 August 2026: £42,995
• 11 September 2026: £41,995
• 6 October 2026: £40,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 26 April 2027.

It has had 5 MOTs. The latest, on 27 April 2026, passed.

Advisories at the latest test: lower under tray fitted.

Mileage at that test: 55,030 miles, which matches the advertised 57,487 miles.

Advertised mileage is about 18,100 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 5 November 2026.

The 3 closest to this car in mileage:

• 2018 Porsche 718 Cayman GTS, 2.5 petrol coupe, grey. Mileage: 52,678 miles. Price: £46,798, £5,803 more than this car. Dealer: Group 1 Automotive Porsche Centre Portsmouth in Portsmouth. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2018-ec29cd8db2e4
• 2018 Porsche 718 Cayman GTS, 2.5 petrol coupe, white. Mileage: 50,000 miles. Price: £42,491, £1,496 more 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. Mileage: 50,000 miles. Price: £44,999, £4,004 more than this car. Dealer: MSK Cars in London. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2018-363798003d72

• The nearest: 2018 Porsche 718 Cayman GTS, 2.5 petrol coupe, white, 13 miles from this car. Mileage: 27,000 miles. Price: £53,000, £12,005 more than this car. Dealer: Rsj Sports Cars in Slough. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2018-3645af0c0fc4