2023 Porsche 718 Cayman 4.0 GT4 RS
Price: £138,499. Fair price: £5,941 (4%) over the AskCar estimate of £132,558, 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: GT4 RS
- Version: 4.0 GT4 RS PDK RWD Euro 6 2dr (493 bhp)
- Year: 2023
- Mileage: 5,500 miles
- Fuel: Petrol
- Body: Coupe, 2 doors, 2 seats
- Engine: 4.0 litres, 493 bhp
- Gearbox: Automatic (PDK)
- Drive: Rear-wheel drive
- Colour: Grey
- CO2: 299 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
With 5,500 miles on the clock, this 2023 Porsche 718 Cayman Gt4 RS has done roughly 7,500 fewer miles than a typical 2023 Porsche 718 Cayman. The AskCar estimate for this car is £132,558. It is priced at £138,499, which is £5,941 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 314 Porsche 718 Cayman cars across different ages and specifications. This car was first seen in our listings data 34 days ago. It is for sale at Oakmoore Car Company in Birmingham. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 7 November 2026.
Price
Fair price: £5,941 (4%) over the AskCar estimate of £132,558.
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 2023 Porsche 718 Cayman with the 4.0 petrol engine is typically advertised at £85,500: the median of the 25 for sale on AskCar, as of 7 November 2026.
Time on sale
This 2023 Porsche 718 Cayman has been on sale for at least 34 days.
Price history
AskCar first saw this advert on 4 October 2026 at £138,499. Its asking price has not changed.
Mileage and MOT
Advertised mileage is about 7,500 miles lower than the median mileage of a 2023 Porsche 718 Cayman on AskCar.
Similar cars
7 other 2023 Porsche 718 Cayman GT4 RS 4.0 petrol automatic coupes are for sale at UK dealers, from £121,995 to £144,995, as of 7 November 2026.
The 3 closest to this car in mileage:
- 2023 Porsche 718 Cayman GT4 RS, 4.0 petrol coupe, grey. Mileage: 4,800 miles. Price: £129,995, £8,504 less than this car. Dealer: Riviera Automotive in Cleckheaton. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2023-57a7b55a465a
- 2023 Porsche 718 Cayman GT4 RS, 4.0 petrol coupe, grey. Mileage: 1,120 miles. Price: £144,995, £6,496 more than this car. Dealer: Automotive Addiction in Telford. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2023-b030cdc3963a
- 2023 Porsche 718 Cayman GT4 RS, 4.0 petrol coupe, red. Mileage: 11,300 miles. Price: £130,000, £8,499 less than this car. Dealer: Rsj Sports Cars in Slough. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2023-fa8e82804ec1
Browse all Porsche 718 Cayman cars for sale · 2023 Porsche 718 Cayman price guide
More like this
- Used Porsche 718 Cayman GT4 RS prices
- Used automatic Porsche 718 Cayman for sale
- Used Porsche 718 Cayman for sale near Birmingham
Photos
55 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.