2017 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: 2017
• Mileage: 57,359 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 57,359 miles, this 2017 Porsche 718 Cayman has covered about 19,900 more miles than other 2017 Porsche 718 Cayman cars. The AskCar estimate for this car is £37,074. It is priced at £39,950, which is £2,876 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 306 Porsche 718 Cayman cars across different ages and specifications. The asking price is now £1,000 lower than when we first recorded the advert 21 days ago. Its advertised mileage matches the government's MOT record. It is for sale at Group 1 Automotive Porsche Centre Bournemouth in Wimborne. 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: £2,876 (7%) over the AskCar estimate of £37,074.

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 21 days.

Price history

AskCar first saw this advert on 14 October 2026 at £40,950. Its asking price is now £39,950, £1,000 less. The latest price cut was seen on 22 October 2026.

Price changes recorded:

• 14 October 2026: £40,950
• 22 October 2026: £39,950

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 24 February 2027.

It has had 6 MOTs. The latest, on 27 January 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 55,835 miles, which matches the advertised 57,359 miles.

Advertised mileage is about 19,900 miles higher 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, red. Mileage: 40,000 miles. Price: £40,000, £50 more than this car. Dealer: GMZ Motors in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2017-a0c591d2596b
• 2017 Porsche 718 Cayman S, 2.5 petrol coupe, white. Mileage: 75,099 miles. Price: £32,975, £6,975 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-2017-4c2d54f1b5cc
• 2017 Porsche 718 Cayman S, 2.5 petrol coupe, grey. Mileage: 39,000 miles. Price: £35,990, £3,960 less than this car. Dealer: SR Motors in Swindon. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2017-8c25c3b59d3a

• The nearest: 2017 Porsche 718 Cayman S, 2.5 petrol coupe, blue, 3 miles from this car. Mileage: 36,500 miles. Price: £39,995, the same price as this car. Dealer: Rotate Motorsport in Bournemouth. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2017-811b65418a67