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: 18,690 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 18,690 miles, this 2023 Porsche 718 Cayman Gt4 has covered about 6,200 more miles than other 2023 Porsche 718 Cayman cars. Priced at £84,950, it is advertised £609 below the AskCar estimate of £85,559. The AskCar estimate draws on 315 Porsche 718 Cayman adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 28 days ago. Its asking price has since fallen by £1,550. The government's MOT record matches its advertised mileage. You can find this car at Clive Sutton in London. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £609 (under 1%) under the AskCar estimate of £85,559.

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 315 priced Porsche 718 Cayman adverts across different ages and specifications, as of 6 November 2026.

A 2023 Porsche 718 Cayman with the 4.0 petrol engine is typically advertised at £87,500: the median of the 25 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2023 Porsche 718 Cayman has been on sale for at least 28 days.

Price history

AskCar first saw this advert on 9 October 2026 at £86,500. Its asking price is now £84,950, £1,550 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 16 October 2026: £86,500
• 28 October 2026: £84,950

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 11 January 2027.

It has had one MOT, on 12 January 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 14,840 miles, which matches the advertised 18,690 miles.

Advertised mileage is about 6,200 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 £85,480 to £91,995, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2023 Porsche 718 Cayman GT4, 4.0 petrol coupe, blue. Mileage: 18,101 miles. Price: £91,500, £6,550 more than this car. Dealer: Sytner Group Porsche Centre Chester in Chester. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2023-b7f6bbc06261
• 2023 Porsche 718 Cayman GT4, 4.0 petrol coupe, grey. Mileage: 20,000 miles. Price: £85,480, £530 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: 12,000 miles. Price: £87,480, £2,530 more than this car. Dealer: Auto100.Co.Uk in Sutton in Ashfield. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2023-50d932820343

• The nearest: 2023 Porsche 718 Cayman GT4, 4.0 petrol coupe, silver, 15 miles from this car. Mileage: 3,975 miles. Price: £89,990, £5,040 more than this car. Dealer: HWM Sports Cars in Walton-on-Thames. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2023-9667f3dc83d1