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: 39,383 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 2 seats
• Engine: 2.5 litres, 360 bhp
• Gearbox: Automatic (PDK)
• Drive: Rear-wheel drive
• Colour: Silver
• CO2: 186 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2018 Porsche 718 Cayman Gts is 39,383 miles. Its asking price of £48,495 is £1,252 above the AskCar estimate of £47,243. To work out the AskCar estimate, we analyse UK dealer adverts for 315 Porsche 718 Cayman cars across different ages and specifications. It first appeared in our advert records 2 days ago. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at Maybury Car Sales in Edinburgh. 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: £1,252 (2%) over the AskCar estimate of £47,243.

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

AskCar first saw this 2018 Porsche 718 Cayman advertised 2 days ago. 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 3 October 2026.

Price history

AskCar first saw this advert on 4 November 2026 at £48,495. 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 6 November 2026: valid until 5 January 2027.

It has had 7 MOTs. The latest, on 6 January 2026, passed.

Advisories at the latest test: offside rear tyre worn close to legal limit/worn on edge on 2mm; undertray fitted.

Mileage at that test: 39,137 miles, which matches the advertised 39,383 miles.

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, silver. Mileage: 34,350 miles. Price: £47,950, £545 less than this car. Dealer: H.R. Owen Specialist Cars Cheltenham in Cheltenham. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2018-129739379a95
• 2018 Porsche 718 Cayman GTS, 2.5 petrol coupe, black. Mileage: 48,000 miles. Price: £45,995, £2,500 less than this car. Dealer: Scotish Van Centre in Loanhead. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2018-749ae8898e76
• 2018 Porsche 718 Cayman GTS, 2.5 petrol coupe, grey. Mileage: 48,452 miles. Price: £43,975, £4,520 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