2021 Porsche 718 Cayman 4.0 GT4

Overview

• Make: Porsche
• Model: 718 Cayman
• Trim: GT4
• Version: 4.0 GT4 PDK RWD Euro 6 2dr (414 bhp)
• Year: 2021
• Mileage: 11,650 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 2 seats
• Engine: 4.0 litres, 414 bhp
• Gearbox: Automatic (PDK)
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 242 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 11,650 miles on the clock, this 2021 Porsche 718 Cayman Gt4 has done roughly 9,300 fewer miles than a typical 2021 Porsche 718 Cayman. The AskCar estimate for this car is £80,669. It is priced at £82,786, which is £2,117 above that estimate. The AskCar estimate uses UK dealer asking prices, including 313 Porsche 718 Cayman adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert for 121 days. Our records show an MOT expiry date of 7 October 2026, which has passed. Ask the dealer for an update. The government's MOT record matches its advertised mileage. You can find this car at Kingsbridge in York. 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: £2,117 (2%) over the AskCar estimate of £80,669.

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 2021 Porsche 718 Cayman with the 4.0 petrol engine is typically advertised at £72,500: the median of the 16 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2021 Porsche 718 Cayman has been on sale for at least 121 days.

Price history

AskCar first saw this advert on 7 July 2026 at £82,786. Its asking price has not changed.

Price changes recorded:

• 7 July 2026: £82,786
• 2 August 2026: £82,686
• 7 October 2026: £82,286
• 19 October 2026: £82,800
• 30 October 2026: £82,786

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 7 October 2026; ask the dealer for the current MOT.

It has had 2 MOTs. The latest, on 3 October 2025, passed.

Advisories at the latest test: offside rear nail in tyre.

Mileage at that test: 11,027 miles, which matches the advertised 11,650 miles.

Advertised mileage is about 9,300 miles lower than the median mileage of a 2021 Porsche 718 Cayman on AskCar.

Similar cars

5 other 2021 Porsche 718 Cayman GT4 4.0 petrol automatic coupes are for sale at UK dealers, from £66,499 to £81,750, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2021 Porsche 718 Cayman GT4, 4.0 petrol coupe, grey. Mileage: 10,267 miles. Price: £66,499, £16,287 less than this car. Dealer: The Carzone Winsford in Winsford. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2021-46010963c7d0
• 2021 Porsche 718 Cayman GT4, 4.0 petrol coupe, white. Mileage: 13,447 miles. Price: £81,750, £1,036 less than this car. Dealer: Sytner Group Porsche Centre Leicester in Leicester. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2021-8c9caa812df6
• 2021 Porsche 718 Cayman GT4, 4.0 petrol coupe, green. Mileage: 17,328 miles. Price: £75,980, £6,806 less than this car. Dealer: The Driver's Paddock in Mansfield. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2021-787904394a45

• The nearest: 2021 Porsche 718 Cayman GT4, 4.0 petrol coupe, black, 47 miles from this car. Mileage: 32,000 miles. Price: £74,995, £7,791 less than this car. Dealer: Lakeside Motor Co in Hornsea. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2021-ec5b5bde45f1