2018 Porsche 718 Cayman 2.5 S

Price: £48,990. Above the going rate: £4,020 (8%) over the AskCar estimate of £44,970, our expected asking price for this car from its model, age, mileage and specification, drawing on 313 priced Porsche 718 Cayman adverts on AskCar as of 5 November 2026.

AskCar lists 323 used Porsche 718 Cayman from 207 UK dealerships, as of 5 November 2026.

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: 30,924 miles
  • Fuel: Petrol
  • Body: Coupe, 2 doors, 2 seats
  • Engine: 2.5 litres, 345 bhp
  • Gearbox: Automatic (PDK)
  • Drive: Rear-wheel drive
  • Colour: Silver
  • CO2: 167 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Porsche 718 Cayman is advertised with 30,924 miles, approximately 8,500 below the typical mileage for its age. The AskCar estimate for this car is £44,970. It is priced at £48,990, which is £4,020 above that estimate. The AskCar estimate uses UK dealer asking prices, including 313 Porsche 718 Cayman adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 23 days ago. Its asking price has since fallen by £1,500. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Stratstone Porsche Centre Wolverhampton, based in Wolverhampton. 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

Above the going rate: £4,020 (8%) over the AskCar estimate of £44,970.

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 23 days.

Price history

AskCar first saw this advert on 13 October 2026 at £50,490. Its asking price is now £48,990, £1,500 less. The latest price cut was seen on 22 October 2026.

Price changes recorded:

  • 13 October 2026: £50,490
  • 22 October 2026: £48,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 11 January 2027.

It has had 6 MOTs. The latest, on 19 December 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 28,208 miles, which matches the advertised 30,924 miles.

Advertised mileage is about 8,500 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 5 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, £8,995 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, blue. Mileage: 27,100 miles. Price: £48,499, £491 less than this car. Dealer: Rom Motors in Atherstone. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2018-118df796ab14
  • 2018 Porsche 718 Cayman S, 2.5 petrol coupe, white. Mileage: 37,000 miles. Price: £38,970, £10,020 less than this car. Dealer: Performance Paddock in Rochester. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2018-32a9f8fa91da

Browse all Porsche 718 Cayman cars for sale · 2018 Porsche 718 Cayman price guide

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Photos

31 photos of this car are on its AskCar page.

As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.