2020 Porsche 718 Cayman 4.0 GT4
Price: £69,995. Good value: £7,065 (9%) under the AskCar estimate of £77,060, our expected asking price for this car from its model, age, mileage and specification, drawing on 313 priced Porsche 718 Cayman adverts on AskCar as of 5 November 2026.
AskCar lists 323 used Porsche 718 Cayman from 207 UK dealerships, as of 5 November 2026.
Overview
- Make: Porsche
- Model: 718 Cayman
- Trim: GT4
- Version: 4.0 GT4 Manual RWD Euro 6 (s/s) 2dr (414 bhp)
- Year: 2020
- Mileage: 17,001 miles
- Fuel: Petrol
- Body: Coupe, 2 doors, 2 seats
- Engine: 4.0 litres, 414 bhp
- Gearbox: Manual
- Drive: Rear-wheel drive
- CO2: 251 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2020 Porsche 718 Cayman Gt4 has covered 17,001 miles, around 4,400 fewer miles than is typical for its age. The dealer is asking £69,995, which is £7,065 below the AskCar estimate of £77,060. To work out the AskCar estimate, we analyse UK dealer adverts for 313 Porsche 718 Cayman cars across different ages and specifications. We have tracked this advert for 127 days. It is advertised by Parkway Specialist Cars in Mansfield. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 5 November 2026.
Price
Good value: £7,065 (9%) under the AskCar estimate of £77,060.
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 313 priced Porsche 718 Cayman adverts across different ages and specifications, as of 5 November 2026.
A 2020 Porsche 718 Cayman with the 4.0 petrol engine is typically advertised at £75,000: the median of the 14 for sale on AskCar, as of 5 November 2026.
Time on sale
This 2020 Porsche 718 Cayman has been on sale for at least 127 days.
Price history
AskCar first saw this advert on 1 July 2026 at £69,995. Its asking price has not changed.
Mileage and MOT
Advertised mileage is about 4,400 miles lower than the median mileage of a 2020 Porsche 718 Cayman on AskCar.
Similar cars
7 other 2020 Porsche 718 Cayman GT4 4.0 petrol manual coupes are for sale at UK dealers, from £69,990 to £84,995, as of 5 November 2026.
The 3 closest to this car in mileage:
- 2020 Porsche 718 Cayman GT4, 4.0 petrol coupe, red. Mileage: 16,682 miles. Price: £83,950, £13,955 more than this car. Dealer: Ryland Group Porsche Centre Exeter in Exeter. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2020-ff249c85e725
- 2020 Porsche 718 Cayman GT4, 4.0 petrol coupe, black. Mileage: 20,000 miles. Price: £74,995, £5,000 more than this car. Dealer: Northway Porsche in Reading. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2020-7a13d0f5dc84
- 2020 Porsche 718 Cayman GT4, 4.0 petrol coupe, red. Mileage: 13,147 miles. Price: £74,990, £4,995 more than this car. Dealer: Per4mance Cars in Macclesfield. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2020-f31c332d8722
- The nearest: 2020 Porsche 718 Cayman GT4, 4.0 petrol coupe, silver, 32 miles from this car. Mileage: 28,800 miles. Price: £69,990, the same price as this car. Dealer: Johnny Autos in Leicester. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2020-b977c223f746
Browse all Porsche 718 Cayman cars for sale · 2020 Porsche 718 Cayman price guide
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Photos
56 photos of this car are on its AskCar page.
As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.