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: 24,000 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 2 seats
• Engine: 2.5 litres, 360 bhp
• Gearbox: Automatic (PDK)
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 186 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Porsche 718 Cayman Gts has covered 24,000 miles. The dealer is asking £44,995, which is £6,188 below the AskCar estimate of £51,183. To work out the AskCar estimate, we analyse UK dealer adverts for 302 Porsche 718 Cayman cars across different ages and specifications. It first appeared in our advert records 83 days ago. Ask the dealer why the advert shows fewer miles than the 30,940 recorded at the latest MOT. Its recorded MOT is valid until 1 September 2027. It is advertised by Ace Prestige in Buckinghamshire. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Good value: £6,188 (12%) under the AskCar estimate of £51,183.

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 2 November 2026.

A 2018 Porsche 718 Cayman with the 2.5 petrol engine is typically advertised at £45,000: the median of the 28 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2018 Porsche 718 Cayman has been on sale for at least 83 days.

Price history

AskCar first saw this advert on 11 August 2026 at £44,995. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 1 September 2027.

It has had 8 MOTs. The latest, on 2 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 30,940 miles. The advert says 24,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 16,500 miles lower than the median mileage of a 2018 Porsche 718 Cayman on AskCar.

Similar cars

12 other 2018 Porsche 718 Cayman GTS 2.5 petrol automatic coupes are for sale at UK dealers, from £39,950 to £59,999, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2018 Porsche 718 Cayman GTS, 2.5 petrol coupe, black. Mileage: 23,566 miles. Price: £51,970, £6,975 more than this car. Dealer: Priddy's Motor Company in Minehead. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2018-159c516c1e29
• 2018 Porsche 718 Cayman GTS, 2.5 petrol coupe, black. Mileage: 26,000 miles. Price: £49,995, £5,000 more than this car. Dealer: Peter Nash Specialist Cars in Southampton. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2018-f9dc8e473a19
• 2018 Porsche 718 Cayman GTS, 2.5 petrol coupe, white. Mileage: 27,000 miles. Price: £53,000, £8,005 more than this car. Dealer: Rsj Sports Cars in Slough. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2018-3645af0c0fc4