2023 Porsche 718 Cayman 4.0 GT4 RS
Price: £130,000. Fair price: £3,626 (2%) over the AskCar estimate of £126,374, 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: 11,300 miles
- Fuel: Petrol
- Body: Coupe, 2 doors, 2 seats
- Engine: 4.0 litres, 493 bhp
- Gearbox: Automatic (PDK)
- Drive: Rear-wheel drive
- Colour: Red
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2023 Porsche 718 Cayman Gt4 RS has covered 11,300 miles. Priced at £130,000, it is advertised £3,626 above the AskCar estimate of £126,374. The AskCar estimate uses 314 UK dealer adverts for the Porsche 718 Cayman, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert for 77 days. You can find this car at Rsj Sports Cars in Slough. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 7 November 2026.
Price
Fair price: £3,626 (2%) over the AskCar estimate of £126,374.
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 77 days.
Price history
AskCar first saw this advert on 22 August 2026 at £130,000. Its asking price has not changed.
Mileage and MOT
Advertised mileage is about 1,700 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: 11,500 miles. Price: £126,995, £3,005 less than this car. Dealer: GKirby Collection in Warninglid. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2023-68b20817325c
- 2023 Porsche 718 Cayman GT4 RS, 4.0 petrol coupe, silver. Mileage: 12,000 miles. Price: £128,995, £1,005 less than this car. Dealer: Matt Johnson Prestige in Barrow-in-Furness. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2023-b35695e82918
- 2023 Porsche 718 Cayman GT4 RS, 4.0 petrol coupe, white. Mileage: 13,142 miles. Price: £127,900, £2,100 less than this car. Dealer: Baytree Cars in Derby. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2023-cb990236db15
- The nearest: 2023 Porsche 718 Cayman GT4 RS, 4.0 petrol coupe, grey, 23 miles from this car. Mileage: 18,700 miles. Price: £121,995, £8,005 less than this car. Dealer: RPM Technik in Tring. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2023-c61c177c517c
Browse all Porsche 718 Cayman cars for sale · 2023 Porsche 718 Cayman price guide
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Photos
33 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.