2020 Porsche 718 Cayman 4.0 GT4
Price: £84,995. Above the going rate: £6,637 (8%) over the AskCar estimate of £78,358, our expected asking price for this car from its model, age, mileage and specification, drawing on 306 priced Porsche 718 Cayman adverts on AskCar as of 4 November 2026.
AskCar lists 313 used Porsche 718 Cayman from 200 UK dealerships, as of 4 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: 12,345 miles
- Fuel: Petrol
- Body: Coupe, 2 doors, 2 seats
- Engine: 4.0 litres, 414 bhp
- Gearbox: Manual
- Drive: Rear-wheel drive
- Colour: Black
- CO2: 251 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2020 Porsche 718 Cayman Gt4 is advertised with 12,345 miles, approximately 11,700 below the typical mileage for its age. Its asking price of £84,995 is £6,637 above the AskCar estimate of £78,358. The AskCar estimate draws on 306 Porsche 718 Cayman adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert today. It is advertised by 911 Virgin in Iver. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 4 November 2026.
Price
Above the going rate: £6,637 (8%) over the AskCar estimate of £78,358.
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 2020 Porsche 718 Cayman with the 4.0 petrol engine is typically advertised at £75,000: the median of the 13 for sale on AskCar, as of 4 November 2026.
Time on sale
AskCar first saw this 2020 Porsche 718 Cayman advertised today.
Price history
AskCar first saw this advert on 4 November 2026 at £84,995. Its asking price has not changed.
Mileage and MOT
Advertised mileage is about 11,700 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 £84,795, as of 4 November 2026.
The 3 closest to this car in mileage:
- 2020 Porsche 718 Cayman GT4, 4.0 petrol coupe, red. Mileage: 13,147 miles. Price: £74,990, £10,005 less than this car. Dealer: Per4mance Cars in Macclesfield. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2020-f31c332d8722
- 2020 Porsche 718 Cayman GT4, 4.0 petrol coupe, blue. Mileage: 11,000 miles. Price: £82,995, £2,000 less than this car. Dealer: RPM Technik in Tring. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2020-5fe22bd5a1d4
- 2020 Porsche 718 Cayman GT4, 4.0 petrol coupe, grey. Mileage: 14,500 miles. Price: £81,999, £2,996 less than this car. Dealer: Oakmoore Car Company in Birmingham. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2020-afb6f5e90ce0
Browse all Porsche 718 Cayman cars for sale · 2020 Porsche 718 Cayman price guide
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Photos
1 photo of this car is on its AskCar page.
As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.