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: 18,475 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 2 seats
• Engine: 4.0 litres, 394 bhp
• Gearbox: Automatic (PDK)
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 230 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Porsche 718 Cayman Gts is advertised with 18,475 miles on the clock. The dealer is asking £62,500, which is £3,712 below the AskCar estimate of £66,212. To work out the AskCar estimate, we analyse UK dealer adverts for 314 Porsche 718 Cayman cars across different ages and specifications. We first saw this car advertised 111 days ago. Its asking price has since fallen by £400. The government's MOT record matches its advertised mileage. It is advertised by Steve Bull Specialist Cars Sales in Devizes. 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: £3,712 (5%) under the AskCar estimate of £66,212.

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 111 days.

Price history

AskCar first saw this advert on 19 July 2026 at £62,900. Its asking price is now £62,500, £400 less. The latest price cut was seen on 19 September 2026.

Price changes recorded:

• 19 July 2026: £62,900
• 19 September 2026: £62,500

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 20 March 2027.

It has had 2 MOTs. The latest, on 4 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 18,205 miles, which matches the advertised 18,475 miles.

Advertised mileage is about 1,200 miles lower 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 £66,995 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, grey. Mileage: 16,921 miles. Price: £67,995, £5,495 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, yellow. Mileage: 21,000 miles. Price: £66,995, £4,495 more than this car. Dealer: Adrenaline Collective in Leamington Spa. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2021-72ce8fc74f59
• 2021 Porsche 718 Cayman GTS, 4.0 petrol coupe, silver. Mileage: 12,500 miles. Price: £68,990, £6,490 more than this car. Dealer: Antinell Car Collection in Guildford. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2021-61814f3502ef