2017 Porsche 718 Cayman 2.5 S

Price: £39,995. Fair price: £1,819 (4%) under the AskCar estimate of £41,814, our expected asking price for this car from its model, age, mileage and specification, drawing on 306 priced Porsche 718 Cayman adverts on AskCar as of 4 November 2026.

AskCar lists 313 used Porsche 718 Cayman from 200 UK dealerships, as of 4 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: 2017
  • Mileage: 36,500 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

The advertised mileage for this 2017 Porsche 718 Cayman is 36,500 miles. Its asking price of £39,995 is £1,819 below the AskCar estimate of £41,814. The AskCar estimate uses UK dealer asking prices, including 306 Porsche 718 Cayman adverts, and accounts for the car’s age, mileage and specification. This car was first seen in our listings data 140 days ago. The latest recorded MOT expiry date is 18 September 2026, which has passed. Confirm its status with the dealer. We checked its advertised mileage against the government's MOT record, and they match. It is for sale at Rotate Motorsport in Ferndown. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,819 (4%) under the AskCar estimate of £41,814.

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 306 priced Porsche 718 Cayman adverts across different ages and specifications, as of 4 November 2026.

A 2017 Porsche 718 Cayman with the 2.5 petrol engine is typically advertised at £40,000: the median of the 11 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2017 Porsche 718 Cayman has been on sale for at least 140 days.

Price history

AskCar first saw this advert on 17 June 2026 at £39,990. Its asking price is now £39,995, £5 more.

Price changes recorded:

  • 18 June 2026: £39,990
  • 31 July 2026: £42,990
  • 25 August 2026: £41,995
  • 12 September 2026: £39,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: the latest record we hold ran out on 18 September 2026; ask the dealer for the current MOT.

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

There were no advisories at the latest test.

Mileage at that test: 32,659 miles, which matches the advertised 36,500 miles.

Advertised mileage is about 1,000 miles lower than the median mileage of a 2017 Porsche 718 Cayman on AskCar.

Similar cars

6 other 2017 Porsche 718 Cayman S 2.5 petrol automatic coupes are for sale at UK dealers, from £32,975 to £49,990, as of 4 November 2026.

The 3 closest to this car in mileage:

  • 2017 Porsche 718 Cayman S, 2.5 petrol coupe, blue. Mileage: 38,500 miles. Price: £41,492, £1,497 more than this car. Dealer: Country Car in Warwick. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2017-27428deb61fc
  • 2017 Porsche 718 Cayman S, 2.5 petrol coupe, grey. Mileage: 39,000 miles. Price: £35,990, £4,005 less than this car. Dealer: SR Motors in Swindon. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2017-8c25c3b59d3a
  • 2017 Porsche 718 Cayman S, 2.5 petrol coupe, red. Mileage: 40,000 miles. Price: £40,000, the same price as this car. Dealer: GMZ Motors in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2017-a0c591d2596b
  • The nearest: 2017 Porsche 718 Cayman S, 2.5 petrol coupe, blue, 3 miles from this car. Mileage: 57,359 miles. Price: £39,950, the same price as this car. Dealer: Group 1 Automotive Porsche Centre Bournemouth in Bournemouth. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2017-062d50a2b414

Browse all Porsche 718 Cayman cars for sale · 2017 Porsche 718 Cayman price guide

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Photos

100 photos of this car are on its AskCar page.

As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.