2023 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: 2023
• Mileage: 23,393 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 2 seats
• Engine: 4.0 litres, 414 bhp
• Gearbox: Automatic (PDK)
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 242 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 23,393 miles, this 2023 Porsche 718 Cayman Gt4 has covered about 10,300 more miles than other 2023 Porsche 718 Cayman cars. The dealer is asking £83,940, which is £193 below the AskCar estimate of £84,133. To work out the AskCar estimate, we analyse UK dealer adverts for 333 Porsche 718 Cayman cars across different ages and specifications. We first recorded this car for sale today. Its advertised mileage matches the government's MOT record. The seller is Phantom Motor Company, based in Wigan. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 12 November 2026.

How we estimate prices and check cars

Price

Fair price: £193 (under 1%) under the AskCar estimate of £84,133.

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 333 priced Porsche 718 Cayman adverts across different ages and specifications, as of 12 November 2026.

A 2023 Porsche 718 Cayman with the 4.0 petrol engine is typically advertised at £85,200: the median of the 22 for sale on AskCar, as of 12 November 2026.

Time on sale

AskCar first saw this 2023 Porsche 718 Cayman advertised today. About half of 2023 Porsche 718 Cayman cars are gone from sale within a month of being advertised: 35 of the 75 first advertised between 12 July 2026 and 9 October 2026.

Price history

AskCar first saw this advert on 12 November 2026 at £83,940. 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 12 November 2026: valid until 8 March 2027.

It has had one MOT, on 9 March 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 18,447 miles, which matches the advertised 23,393 miles.

Advertised mileage is about 10,300 miles higher than the median mileage of a 2023 Porsche 718 Cayman on AskCar.

Similar cars

5 other 2023 Porsche 718 Cayman GT4 4.0 petrol automatic coupes are for sale at UK dealers, from £84,950 to £91,995, as of 12 November 2026.

The 3 closest to this car in mileage:

• 2023 Porsche 718 Cayman GT4, 4.0 petrol coupe, grey. Mileage: 20,000 miles. Price: £85,480, £1,540 more than this car. Dealer: Auto100.Co.Uk in Sutton in Ashfield. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2023-c5c7370bd382
• 2023 Porsche 718 Cayman GT4, 4.0 petrol coupe, grey. Mileage: 18,690 miles. Price: £84,950, £1,010 more than this car. Dealer: Clive Sutton in St John's Wood. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2023-2869acf197f1
• 2023 Porsche 718 Cayman GT4, 4.0 petrol coupe, blue. Mileage: 18,101 miles. Price: £91,500, £7,560 more than this car. Dealer: Sytner Group Porsche Centre Chester in Chester. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2023-b7f6bbc06261