2021 Porsche 718 Cayman 2.5 S

Price: £54,995. Good value: £11,999 (17%) under the AskCar estimate of £66,994, 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
  • Version: 2.5 PDK RWD Euro 6 2dr (345 bhp)
  • Year: 2021
  • Mileage: 14,457 miles
  • Fuel: Petrol
  • Body: Coupe, 2 doors, 2 seats
  • Engine: 2.5 litres, 345 bhp
  • Gearbox: Automatic (PDK)
  • Drive: Rear-wheel drive
  • Colour: Orange
  • CO2: 218 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Porsche 718 Cayman is advertised with 14,457 miles, approximately 5,200 below the typical mileage for its age. Its asking price of £54,995 is £11,999 below the AskCar estimate of £66,994. The AskCar estimate uses 314 UK dealer adverts for the Porsche 718 Cayman, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 104 days ago. Its advertised mileage matches the government's MOT record. It is advertised by RPM Motors (N.I.) in Crumlin. 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

Good value: £11,999 (17%) under the AskCar estimate of £66,994.

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.

Time on sale

This 2021 Porsche 718 Cayman has been on sale for at least 104 days.

Price history

AskCar first saw this advert on 26 July 2026 at £54,995. 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 26 January 2027.

It has had 2 MOTs. The latest, on 27 January 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 14,430 miles, which matches the advertised 14,457 miles.

Advertised mileage is about 5,200 miles lower than the median mileage of a 2021 Porsche 718 Cayman on AskCar.

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

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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.