2018 Porsche 718 Cayman 2.5 S
Version: 2.5 T S PDK RWD Euro 6 (s/s) 2dr (345 bhp)
Price: £43,000. Fair price: £214 (under 1%) over the AskCar estimate of £42,786, our expected asking price for this car from its model, age, mileage and specification, drawing on 296 priced Porsche 718 Cayman adverts on AskCar as of 31 October 2026.
AskCar lists 306 used Porsche 718 Cayman from 200 UK dealerships, as of 31 October 2026.
Overview
- Make
- Porsche
- Model
- 718 Cayman
- Trim
- S
- Version
- 2.5 T S PDK RWD Euro 6 (s/s) 2dr (345 bhp)
- Mileage
- 41,000 miles
- Year
- 2018
- Fuel type
- Petrol
- Body type
- Coupe
- Engine
- 2.5 L
- Gearbox
- Automatic
- Power
- 345 bhp
- Seats
- 2
- CO2
- 167 g/km
- Colour
- Silver
- Doors
- 2
- Driven wheels
- Rear Wheel Drive
- Gearbox version
- PDK
- Engine badge
- S
- Emissions standard
- Euro 6
About this car
This 2018 Porsche 718 Cayman has covered 41,000 miles. Its asking price of £43,000 is £214 above the AskCar estimate of £42,786. The AskCar estimate uses 296 UK dealer adverts for the Porsche 718 Cayman, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale today. MOT records show an expiry date of 4 June 2027, and the latest recorded mileage is consistent with the advert. It is for sale at Rsj Sports Cars in Slough.
Stock data as of 31 October 2026.
Price history
AskCar first saw this advert on 31 October 2026.
| Date observed | Asking price |
|---|---|
| 31 October 2026 | £43,000 |
Price and mileage comparison
Fair price: £214 (under 1%) over the AskCar estimate of £42,786.
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 296 priced Porsche 718 Cayman adverts across different ages and specifications, as of 31 October 2026.
Advertised mileage is about 500 miles higher than the median mileage of a 2018 Porsche 718 Cayman on AskCar.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT: valid until 4 June 2027. 38,573 miles at the last test.
Other matching cars
10 other 2018 Porsche 718 Cayman S automatic petrol cars are for sale at UK dealers from £33,900 to £48,999, as of 31 October 2026.
The 5 cheapest:
- 2018 Porsche 718 Cayman. Price: £33,900. Mileage: 80,544 miles. Dealer: Sytner Select Northampton in Northampton. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2018-810d8ca163d7
- 2018 Porsche 718 Cayman. Price: £34,980. Mileage: 51,000 miles. Dealer: Auto100.Co.Uk in Sutton in Ashfield. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2018-80dcf998545a
- 2018 Porsche 718 Cayman. Price: £38,980. Mileage: 50,000 miles. Dealer: Auto100.Co.Uk in Sutton in Ashfield. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2018-068587ffc31d
- 2018 Porsche 718 Cayman. Price: £39,970. Mileage: 37,000 miles. Dealer: Performance Paddock in Rochester. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2018-32a9f8fa91da
- 2018 Porsche 718 Cayman. Price: £39,995. Mileage: 30,000 miles. Dealer: Southern Prestige Cars in Crawley. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2018-34161e369161
The 10 matching cars have covered 16,640 to 80,544 miles, compared with 41,000 miles for this car.
Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.
Browse all Porsche 718 Cayman cars for sale · 2018 Porsche 718 Cayman price guide
More like this
Photos
24 photos of this car are on its AskCar page.
How to contact the dealer and its opening hours are on this AskCar page.
As of 31 October 2026, AskCar lists 583,548 cars and vans from 12,716 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.