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: 3,975 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 2 seats
• Engine: 4.0 litres, 414 bhp
• Gearbox: Automatic (PDK)
• Drive: Rear-wheel drive
• Colour: Silver
• CO2: 242 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 3,975 miles, this 2023 Porsche 718 Cayman Gt4 has covered about 8,500 fewer miles than other 2023 Porsche 718 Cayman cars. The dealer is asking £89,990, which is £3,653 below the AskCar estimate of £93,643. To work out the AskCar estimate, we analyse UK dealer adverts for 315 Porsche 718 Cayman cars across different ages and specifications. The asking price is now £3,000 lower than when we first recorded the advert 33 days ago. It is for sale at HWM Sports Cars in Walton-on-Thames. 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: £3,653 (3%) under the AskCar estimate of £93,643.

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 33 days.

Price history

AskCar first saw this advert on 4 October 2026 at £92,990. Its asking price is now £89,990, £3,000 less. The latest price cut was seen on 18 October 2026.

Price changes recorded:

• 4 October 2026: £92,990
• 11 October 2026: £91,490
• 18 October 2026: £89,990

Mileage and MOT

Advertised mileage is about 8,500 miles lower 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 6 November 2026.

The 3 closest to this car in mileage:

• 2023 Porsche 718 Cayman GT4, 4.0 petrol coupe, grey. Mileage: 4,800 miles. Price: £91,995, £2,005 more than this car. Dealer: Cridfords Of Surrey in Cranleigh. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2023-f2a5388fea06
• 2023 Porsche 718 Cayman GT4, 4.0 petrol coupe, grey. Mileage: 12,000 miles. Price: £87,480, £2,510 less than this car. Dealer: Auto100.Co.Uk in Sutton in Ashfield. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2023-50d932820343
• 2023 Porsche 718 Cayman GT4, 4.0 petrol coupe, blue. Mileage: 18,101 miles. Price: £91,500, £1,510 more than this car. Dealer: Sytner Group Porsche Centre Chester in Chester. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2023-b7f6bbc06261

• The nearest: 2023 Porsche 718 Cayman GT4, 4.0 petrol coupe, grey, 15 miles from this car. Mileage: 18,690 miles. Price: £84,950, £5,040 less than this car. Dealer: Clive Sutton in St John's Wood. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2023-2869acf197f1