2021 Porsche 718 Cayman 4.0 GTS

Price: £67,995. Fair price: £1,295 (1%) over the AskCar estimate of £66,700, our expected asking price for this car from its model, age, mileage and specification, drawing on 314 priced Porsche 718 Cayman adverts on AskCar as of 7 November 2026.

AskCar lists 326 used Porsche 718 Cayman from 212 UK dealerships, as of 7 November 2026.

Overview

  • Make: Porsche
  • Model: 718 Cayman
  • Trim: GTS
  • Version: 4.0 GTS PDK RWD Euro 6 2dr (394 bhp)
  • Year: 2021
  • Mileage: 16,921 miles
  • Fuel: Petrol
  • Body: Coupe, 2 doors, 2 seats
  • Engine: 4.0 litres, 394 bhp
  • Gearbox: Automatic (PDK)
  • Drive: Rear-wheel drive
  • Colour: Grey
  • CO2: 230 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Porsche 718 Cayman Gts has covered 16,921 miles, around 2,800 fewer miles than is typical for its age. The dealer is asking £67,995, which is £1,295 above the AskCar estimate of £66,700. 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 119 days ago. Its asking price has since fallen by £4,000. You can find this car at Cridfords Of Surrey in Cranleigh. 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: £1,295 (1%) over the AskCar estimate of £66,700.

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 119 days.

Price history

AskCar first saw this advert on 11 July 2026 at £71,995. Its asking price is now £67,995, £4,000 less. The latest price cut was seen on 3 October 2026.

Price changes recorded:

  • 11 July 2026: £71,995
  • 25 July 2026: £69,995
  • 3 October 2026: £67,995

Mileage and MOT

Advertised mileage is about 2,800 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 £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, £5,495 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, yellow. Mileage: 21,000 miles. Price: £66,995, £1,000 less 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, £995 more than this car. Dealer: Antinell Car Collection in Guildford. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2021-61814f3502ef

Browse all Porsche 718 Cayman cars for sale · 2021 Porsche 718 Cayman price guide

More like this

Photos

28 photos of this car are on its AskCar page.

As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.