2018 Porsche 718 Cayman 2.5 S

Overview

• Make: Porsche
• Model: 718 Cayman
• Trim: S
• Version: 2.5 T S PDK RWD Euro 6 (s/s) 2dr (345 bhp)
• Year: 2018
• Mileage: 27,100 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 2 seats
• Engine: 2.5 litres, 345 bhp
• Gearbox: Automatic (PDK)
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 167 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 27,100 miles, this 2018 Porsche 718 Cayman has covered about 12,300 fewer miles than other 2018 Porsche 718 Cayman cars. The dealer is asking £48,499, which is £2,752 above the AskCar estimate of £45,747. To work out the AskCar estimate, we analyse UK dealer adverts for 315 Porsche 718 Cayman cars across different ages and specifications. We first saw this car advertised 56 days ago. Its asking price has since fallen by £1,500. The government's MOT record matches its advertised mileage. It is advertised by Rom Motors in Atherstone. 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: £2,752 (6%) over the AskCar estimate of £45,747.

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 56 days.

Price history

AskCar first saw this advert on 11 September 2026 at £49,999. Its asking price is now £48,499, £1,500 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 11 September 2026: £49,999
• 22 October 2026: £48,999
• 3 November 2026: £48,499

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 31 March 2027.

It has had 6 MOTs. The latest, on 1 April 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 24,753 miles, which matches the advertised 27,100 miles.

Advertised mileage is about 12,300 miles lower than the median mileage of a 2018 Porsche 718 Cayman on AskCar.

Similar cars

11 other 2018 Porsche 718 Cayman S 2.5 petrol automatic coupes are for sale at UK dealers, from £33,900 to £48,995, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2018 Porsche 718 Cayman S, 2.5 petrol coupe, white. Mileage: 30,000 miles. Price: £39,995, £8,504 less than this car. Dealer: Southern Prestige Cars in Crawley. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2018-34161e369161
• 2018 Porsche 718 Cayman S, 2.5 petrol coupe, silver. Mileage: 30,924 miles. Price: £48,490, the same price as this car. Dealer: Stratstone Porsche Centre Wolverhampton in Wolverhampton. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2018-7bb9e8eaba9d
• 2018 Porsche 718 Cayman S, 2.5 petrol coupe, green. Mileage: 21,236 miles. Price: £48,995, £496 more than this car. Dealer: SCC Leeds in Guiseley. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2018-bb08a3777303

• The nearest: 2018 Porsche 718 Cayman S, 2.5 petrol coupe, grey, 20 miles from this car. Mileage: 40,920 miles. Price: £48,000, £499 less than this car. Dealer: Sytner Group Porsche Centre Leicester in Leicester. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2018-774bc6aa5f97