2020 Porsche 718 Cayman 4.0 GT4
Version: 4.0 GT4 Manual RWD Euro 6 (s/s) 2dr (414 bhp)
Price: £69,990. Fair price: £2,013 (2%) under the AskCar estimate of £72,003, our expected asking price for this car from its model, age, mileage and specification, drawing on 302 priced Porsche 718 Cayman adverts on AskCar as of 1 November 2026.
AskCar lists 311 used Porsche 718 Cayman from 201 UK dealerships, as of 1 November 2026.
Overview
- Make
- Porsche
- Model
- 718 Cayman
- Trim
- GT4
- Version
- 4.0 GT4 Manual RWD Euro 6 (s/s) 2dr (414 bhp)
- Mileage
- 28,000 miles
- Year
- 2020
- Fuel type
- Petrol
- Body type
- Coupe
- Engine
- 4.0 L
- Gearbox
- Manual
- Power
- 414 bhp
- Seats
- 2
- CO2
- 251 g/km
- Colour
- Silver
- Doors
- 2
- Driven wheels
- Rear Wheel Drive
- Engine badge
- GT4
- Emissions standard
- Euro 6
About this car
This 2020 Porsche 718 Cayman Gt4 has covered 28,000 miles. The dealer is asking £69,990, which is £2,013 below the AskCar estimate of £72,003. To work out the AskCar estimate, we analyse UK dealer adverts for 302 Porsche 718 Cayman cars across different ages and specifications. We have tracked this advert today. The latest MOT recorded 28,759 miles, above the advertised mileage. Check this with the dealer. The latest recorded MOT expires on 17 September 2027. It is advertised by Johnny Autos in Leicester.
Stock data as of 1 November 2026.
Price history
AskCar first saw this advert on 1 November 2026.
| Date observed | Asking price |
|---|---|
| 1 November 2026 | £69,990 |
Price and mileage comparison
Fair price: £2,013 (2%) under the AskCar estimate of £72,003.
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.
Advertised mileage is about 3,000 miles higher than the median mileage of a 2020 Porsche 718 Cayman on AskCar.
Mileage concern: the advertised mileage is below the last MOT reading; ask the dealer to explain.
MOT
MOT: valid until 17 September 2027. 28,759 miles at the last test.
Other matching cars
6 other 2020 Porsche 718 Cayman GT4 manual petrol cars are for sale at UK dealers from £69,995 to £84,795, as of 1 November 2026.
The 5 cheapest:
- 2020 Porsche 718 Cayman. Price: £69,995. Mileage: 17,001 miles. Dealer: Parkway Specialist Cars in Mansfield. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2020-bb06adb01d0b
- 2020 Porsche 718 Cayman. Price: £74,990. Mileage: 13,147 miles. Dealer: Per4mance Cars in Macclesfield. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2020-f31c332d8722
- 2020 Porsche 718 Cayman. Price: £74,995. Mileage: 20,000 miles. Dealer: Northway Porsche in Reading. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2020-7a13d0f5dc84
- 2020 Porsche 718 Cayman. Price: £81,999. Mileage: 14,500 miles. Dealer: Oakmoore Car Company in Birmingham. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2020-afb6f5e90ce0
- 2020 Porsche 718 Cayman. Price: £82,995. Mileage: 11,000 miles. Dealer: RPM Technik in Tring. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2020-5fe22bd5a1d4
The 6 matching cars have covered 9,432 to 20,000 miles, compared with 28,000 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 · 2020 Porsche 718 Cayman price guide
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Photos
16 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 1 November 2026, AskCar lists 578,994 cars and vans from 12,654 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.