2018 Porsche 718 Cayman

2.5 T S PDK RWD Euro 6 (s/s) 2dr (345 bhp)

£38,480

Fair price: within 8% of the typical £40,329 for this model, age and mileage, drawing on 274 adverts of this make and model.

Overview

Make
Porsche
Model
718 Cayman
Trim
S
Version
2.5 T S PDK RWD Euro 6 (s/s) 2dr (345 bhp)
Mileage
50,000 miles
Year
2018
Fuel type
Petrol
Body type
Coupe
Engine
2.5 L
Gearbox
Automatic
Power
345 bhp
Seats
2
CO2
167 g/km
Colour
White
Doors
2
Driven wheels
Rear Wheel Drive
Gearbox version
PDK
Engine badge
S
Emissions standard
Euro 6

About this car

This 2018 Porsche 718 Cayman is advertised with 50,000 miles, approximately 13,000 above the typical mileage for its age. Our estimated market asking price is £40,329. This car is advertised at £38,480, which is £1,849 below that figure. The estimate uses 274 UK dealer adverts for the Porsche 718 Cayman, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 29 days ago, the asking price has dropped by £1,500. The seller is Auto100.Co.Uk, based in Sutton-in-Ashfield.

Stock data from 22 October 2026.

How we estimate prices and check cars

Price history

First seen on 24 September 2026, 29 days ago. Advert duration calculated on 23 October 2026. Net asking-price reduction: £1,500 from the first recorded £39,980. 4 price reductions recorded, the latest observed on 20 October 2026.

Recorded asking prices
Date observedAsking price
24 September 2026£39,980
2 October 2026£39,480
9 October 2026£38,980
14 October 2026£38,780
20 October 2026£38,480
22 October 2026£38,480

Price and mileage comparison

Estimated market asking price: £40,329. The asking price is £1,849 below this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 274 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 13,000 miles higher than typical for a 2018 Porsche 718 Cayman.

8 other cars with the same year, trim, gearbox and fuel are for sale from £33,900 to £49,795.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£33,90080,544 miles
£36,98051,000 miles
£39,97037,000 miles
£39,99530,000 miles
£48,99030,924 miles

These cars have covered 16,640–80,544 miles, compared with 50,000 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

Browse all Porsche 718 Cayman cars for sale · 2018 Porsche 718 Cayman price guide

How to contact the dealer, its opening hours and the cheaper cars like this one are on this AskCar page.

Vehicle photos