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: 32,000 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 2 seats
• Engine: 4.0 litres, 414 bhp
• Gearbox: Automatic (PDK)
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 242 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 32,000 miles, this 2021 Porsche 718 Cayman Gt4 has covered about 11,000 more miles than other 2021 Porsche 718 Cayman cars. Its asking price of £74,995 is £1,922 above the AskCar estimate of £73,073. To work out the AskCar estimate, we analyse UK dealer adverts for 306 Porsche 718 Cayman cars across different ages and specifications. We have tracked this advert for 45 days. Its advertised mileage matches the government's MOT record. It is advertised by Lakeside Motor Co in Hornsea. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,922 (2%) over the AskCar estimate of £73,073.

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 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 4 November 2026.

Time on sale

This 2021 Porsche 718 Cayman has been on sale for at least 45 days.

Price history

AskCar first saw this advert on 20 September 2026 at £74,995. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 15 September 2027.

It has had 4 MOTs. The latest, on 7 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 32,461 miles, which matches the advertised 32,000 miles.

Advertised mileage is about 11,000 miles higher 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 £82,786, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2021 Porsche 718 Cayman GT4, 4.0 petrol coupe, blue. Mileage: 39,136 miles. Price: £74,990, the same price as this car. Dealer: Group 1 Automotive Porsche Centre Portsmouth in Portsmouth. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2021-c90cecf3ba3d
• 2021 Porsche 718 Cayman GT4, 4.0 petrol coupe, green. Mileage: 17,328 miles. Price: £75,980, £985 more than this car. Dealer: The Driver's Paddock in Mansfield. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2021-787904394a45
• 2021 Porsche 718 Cayman GT4, 4.0 petrol coupe, white. Mileage: 13,447 miles. Price: £81,750, £6,755 more than this car. Dealer: Sytner Group Porsche Centre Leicester in Leicester. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2021-8c9caa812df6

• The nearest: 2021 Porsche 718 Cayman GT4, 4.0 petrol coupe, blue, 47 miles from this car. Mileage: 11,650 miles. Price: £82,786, £7,791 more than this car. Dealer: Kingsbridge in York. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2021-ae8e6855b3dc