2018 Porsche 718 Cayman 2.5 GTS

Overview

• Make: Porsche
• Model: 718 Cayman
• Trim: GTS
• Version: 2.5 T GTS Manual RWD Euro 6 (s/s) 2dr (360 bhp)
• Year: 2018
• Mileage: 26,169 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 2 seats
• Engine: 2.5 litres, 360 bhp
• Gearbox: Manual
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 205 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 26,169 miles, this 2018 Porsche 718 Cayman Gts has covered about 13,200 fewer miles than other 2018 Porsche 718 Cayman cars. The AskCar estimate for this car is £44,166. It is priced at £44,995, which is £829 above that estimate. 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 78 days. It is advertised by Summit Motor Co in Holmfirth. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £829 (1%) over the AskCar estimate of £44,166.

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 78 days.

Price history

AskCar first saw this advert on 20 August 2026 at £44,995. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 13,200 miles lower than the median mileage of a 2018 Porsche 718 Cayman on AskCar.