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: 13,147 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 2 seats
• Engine: 4.0 litres, 414 bhp
• Gearbox: Manual
• Drive: Rear-wheel drive
• Colour: Red
• CO2: 251 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 13,147 miles, this 2020 Porsche 718 Cayman Gt4 has covered about 7,900 fewer miles than other 2020 Porsche 718 Cayman cars. Priced at £74,990, it is advertised £3,964 below the AskCar estimate of £78,954. The AskCar estimate uses 309 UK dealer adverts for the Porsche 718 Cayman, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 58 days ago. Its asking price has since fallen by £1,500. The government's MOT record matches its advertised mileage. It is advertised by Per4mance Cars in Macclesfield. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 9 November 2026.

How we estimate prices and check cars

Price

Fair price: £3,964 (5%) under the AskCar estimate of £78,954.

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 309 priced Porsche 718 Cayman adverts across different ages and specifications, as of 9 November 2026.

A 2020 Porsche 718 Cayman with the 4.0 petrol engine is typically advertised at £75,000: the median of the 15 for sale on AskCar, as of 9 November 2026.

Time on sale

This 2020 Porsche 718 Cayman has been on sale for at least 58 days.

Price history

AskCar first saw this advert on 12 September 2026 at £76,490. Its asking price is now £74,990, £1,500 less. The latest price cut was seen on 23 September 2026.

Price changes recorded:

• 12 September 2026: £76,490
• 18 September 2026: £75,990
• 23 September 2026: £74,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 9 November 2026: valid until 17 November 2026.

It has had 3 MOTs. The latest, on 5 November 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 11,438 miles, which matches the advertised 13,147 miles.

Advertised mileage is about 7,900 miles lower than the median mileage of a 2020 Porsche 718 Cayman on AskCar.

Similar cars

8 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 9 November 2026.

The 3 closest to this car in mileage:

• 2020 Porsche 718 Cayman GT4, 4.0 petrol coupe, black. Mileage: 12,345 miles. Price: £84,995, £10,005 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, blue. Mileage: 11,000 miles. Price: £82,995, £8,005 more 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, red. Mileage: 16,682 miles. Price: £83,950, £8,960 more than this car. Dealer: Ryland Group Porsche Centre Exeter in Exeter. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2020-ff249c85e725

• The nearest: 2020 Porsche 718 Cayman GT4, 4.0 petrol coupe, 44 miles from this car. Mileage: 17,001 miles. Price: £69,995, £4,995 less than this car. Dealer: Parkway Specialist Cars in Mansfield. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2020-bb06adb01d0b