2020 Porsche 718 Cayman 4.0 GT4

Overview

• Make: Porsche
• Model: 718 Cayman
• Trim: GT4
• Version: 4.0 GT4 Manual RWD Euro 6 (s/s) 2dr (414 bhp)
• Year: 2020
• Mileage: 9,432 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 2 seats
• Engine: 4.0 litres, 414 bhp
• Gearbox: Manual
• Drive: Rear-wheel drive
• Colour: Yellow
• CO2: 251 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Porsche 718 Cayman Gt4 has covered 9,432 miles, around 11,900 fewer miles than is typical for its age. The dealer is asking £84,795, which is £4,742 above the AskCar estimate of £80,053. To work out the AskCar estimate, we analyse UK dealer adverts for 313 Porsche 718 Cayman cars across different ages and specifications. The asking price is now £201 lower than when we first recorded the advert 63 days ago. Our records show an MOT expiry date of 19 October 2026, which has passed. Ask the dealer for an update. Its advertised mileage matches the government's MOT record. It is advertised by AutoSpec UK in Larkhall. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £4,742 (5%) over the AskCar estimate of £80,053.

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 63 days.

Price history

AskCar first saw this advert on 3 September 2026 at £84,996. Its asking price is now £84,795, £201 less. The latest price cut was seen on 12 October 2026.

Price changes recorded:

• 3 September 2026: £84,996
• 12 October 2026: £84,795

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: the latest record we hold ran out on 19 October 2026; ask the dealer for the current MOT.

It has had 4 MOTs. The latest, on 20 October 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 8,778 miles, which matches the advertised 9,432 miles.

Advertised mileage is about 11,900 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, blue. Mileage: 11,000 miles. Price: £82,995, £1,800 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, black. Mileage: 12,345 miles. Price: £84,995, £200 more than this car. Dealer: 911 Virgin in Iver. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2020-eac8905658a8
• 2020 Porsche 718 Cayman GT4, 4.0 petrol coupe, red. Mileage: 13,147 miles. Price: £74,990, £9,805 less than this car. Dealer: Per4mance Cars in Macclesfield. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2020-f31c332d8722