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: 27,009 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

At 27,009 miles, this 2017 Porsche 718 Cayman has covered about 11,900 fewer miles than other 2017 Porsche 718 Cayman cars. Its asking price of £49,990 is £5,905 above the AskCar estimate of £44,085. The AskCar estimate uses UK dealer asking prices, including 302 Porsche 718 Cayman adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 130 days ago, the asking price has dropped by £1. Our latest MOT record expired on 17 July 2026. Check the current position with the dealer. We checked its advertised mileage against the government's MOT record, and they match. The seller is Stratstone Porsche Centre Stockport, based in Stockport. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 1 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £5,905 (13%) over the AskCar estimate of £44,085.

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 302 priced Porsche 718 Cayman adverts across different ages and specifications, as of 1 November 2026.

Time on sale

This 2017 Porsche 718 Cayman has been on sale for at least 130 days.

Price history

AskCar first saw this advert on 24 June 2026 at £49,991. Its asking price is now £49,990, £1 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 25 June 2026: £49,991
• 31 October 2026: £49,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 1 November 2026: the latest record we hold ran out on 17 July 2026; ask the dealer for the current MOT.

It has had 7 MOTs. The latest, on 18 July 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 21,286 miles, which matches the advertised 27,009 miles.

Advertised mileage is about 11,900 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 £41,492, as of 1 November 2026.

The 3 closest to this car in mileage:

• 2017 Porsche 718 Cayman S, 2.5 petrol coupe, blue. Mileage: 36,500 miles. Price: £39,995, £9,995 less than this car. Dealer: Rotate Motorsport in Bournemouth. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2017-811b65418a67
• 2017 Porsche 718 Cayman S, 2.5 petrol coupe, blue. Mileage: 38,500 miles. Price: £41,492, £8,498 less 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, £14,000 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, white, 73 miles from this car. Mileage: 75,099 miles. Price: £32,975, £17,015 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