2021 Porsche 718 Cayman 4.0 GTS

Overview

• Make: Porsche
• Model: 718 Cayman
• Trim: GTS
• Version: 4.0 GTS PDK RWD Euro 6 2dr (394 bhp)
• Year: 2021
• Mileage: 21,000 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 2 seats
• Engine: 4.0 litres, 394 bhp
• Gearbox: Automatic (PDK)
• Drive: Rear-wheel drive
• Colour: Yellow
• CO2: 230 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Porsche 718 Cayman Gts has covered 21,000 miles. Priced at £66,995, it is advertised £1,568 above the AskCar estimate of £65,427. The AskCar estimate uses 314 UK dealer adverts for the Porsche 718 Cayman, with adjustments for age, mileage, trim, engine and other specifications. It first appeared in our advert records 30 days ago. Its advertised mileage matches the government's MOT record. You can find this car at Adrenaline Collective in Warwick. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,568 (2%) over the AskCar estimate of £65,427.

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 314 priced Porsche 718 Cayman adverts across different ages and specifications, as of 7 November 2026.

A 2021 Porsche 718 Cayman with the 4.0 petrol engine is typically advertised at £70,000: the median of the 15 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2021 Porsche 718 Cayman has been on sale for at least 30 days.

Price history

AskCar first saw this advert on 8 October 2026 at £66,995. 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 7 November 2026: valid until 8 September 2027.

It has had 3 MOTs. The latest, on 9 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 20,174 miles, which matches the advertised 21,000 miles.

Advertised mileage is about 1,300 miles higher than the median mileage of a 2021 Porsche 718 Cayman on AskCar.

Similar cars

4 other 2021 Porsche 718 Cayman GTS 4.0 petrol automatic coupes are for sale at UK dealers, from £62,500 to £77,850, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2021 Porsche 718 Cayman GTS, 4.0 petrol coupe, black. Mileage: 18,475 miles. Price: £62,500, £4,495 less than this car. Dealer: Steve Bull Specialist Cars Sales in Devizes. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2021-cc8c1e800f79
• 2021 Porsche 718 Cayman GTS, 4.0 petrol coupe, grey. Mileage: 16,921 miles. Price: £67,995, £1,000 more than this car. Dealer: Cridfords Of Surrey in Cranleigh. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2021-bca4d5a7d23c
• 2021 Porsche 718 Cayman GTS, 4.0 petrol coupe, silver. Mileage: 12,500 miles. Price: £68,990, £1,995 more than this car. Dealer: Antinell Car Collection in Guildford. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2021-61814f3502ef

• The nearest: 2021 Porsche 718 Cayman GTS, 4.0 petrol coupe, 30 miles from this car. Price: £77,850, £10,855 more than this car. Dealer: Severn Motor Cars in Hartlebury. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2021-606b8c2647db