2020 Porsche 718 Cayman 4.0 GT4

Version: 4.0 GT4 Manual RWD Euro 6 (s/s) 2dr (414 bhp)

Price: £81,999. Fair price: £5,108 (6%) over the AskCar estimate of £76,891, our expected asking price for this car from its model, age, mileage and specification, drawing on 291 priced Porsche 718 Cayman adverts on AskCar as of 30 October 2026.

AskCar lists 301 used Porsche 718 Cayman from 201 UK dealerships, as of 30 October 2026.

Overview

Make
Porsche
Model
718 Cayman
Trim
GT4
Version
4.0 GT4 Manual RWD Euro 6 (s/s) 2dr (414 bhp)
Mileage
14,500 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
Grey
Doors
2
Driven wheels
Rear Wheel Drive
Engine badge
GT4
Emissions standard
Euro 6

About this car

At 14,500 miles, this 2020 Porsche 718 Cayman Gt4 has covered about 8,500 fewer miles than other 2020 Porsche 718 Cayman cars. The AskCar estimate for this car is £76,891. It is priced at £81,999, which is £5,108 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 291 Porsche 718 Cayman cars across different ages and specifications. This car was first seen in our listings data 104 days ago. The latest recorded MOT expiry date is 7 August 2026, which has passed. Confirm its status with the dealer. The advertised mileage is consistent with the mileage at its latest MOT. You can find this car at Oakmoore Car Company in Birmingham.

Stock data as of 30 October 2026.

How we estimate prices and check cars

Price history

AskCar first saw this advert on 18 July 2026, 104 days ago.

Recorded asking prices
Date observedAsking price
19 July 2026£81,999
30 October 2026£81,999

Price and mileage comparison

Fair price: £5,108 (6%) over the AskCar estimate of £76,891.

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 291 priced Porsche 718 Cayman adverts across different ages and specifications, as of 30 October 2026.

Advertised mileage is about 8,500 miles lower than the median mileage of a 2020 Porsche 718 Cayman on AskCar.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT: the latest record we hold ran out on 7 August 2026; ask the dealer for the current MOT. 14,228 miles at the last test.

Other matching cars

5 other 2020 Porsche 718 Cayman GT4 manual petrol cars are for sale at UK dealers from £69,995 to £84,795, as of 30 October 2026.

The 5 matching cars have covered 9,432 to 20,000 miles, compared with 14,500 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

47 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 30 October 2026, AskCar lists 580,490 cars and vans from 12,695 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.