2021 Porsche 718 Cayman

4.0 GT4 PDK RWD Euro 6 2dr (414 bhp)

£75,980

Fair price: within 8% of the typical £82,294 for this model, age and mileage, drawing on 280 adverts of this make and model.

Overview

Make: Porsche
Model: 718 Cayman
Trim: GT4
Version: 4.0 GT4 PDK RWD Euro 6 2dr (414 bhp)
Mileage: 17,328 miles
Year: 2021
Fuel type: Petrol
Body type: Coupe
Engine: 4.0 L
Gearbox: Automatic
Power: 414 bhp
Seats: 2
CO2: 242 g/km
Colour: Green
Doors: 2
Driven wheels: Rear Wheel Drive
Gearbox version: PDK
Engine badge: GT4
Emissions standard: Euro 6

About this car

This 2021 Porsche 718 Cayman Gt4 is advertised with 17,328 miles, approximately 3,600 below the typical mileage for its age. At £75,980, it is advertised £6,314 below our estimated market asking price of £82,294. Our estimate draws on 280 Porsche 718 Cayman adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale 150 days ago. Our latest MOT record expired on 7 October 2026. Check the current position with the dealer. Our comparison with the latest MOT reading has not flagged a mileage discrepancy. It is advertised by The Driver's Paddock in Mansfield.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 28 May 2026, 150 days ago. Advert duration calculated on 25 October 2026.

Recorded asking prices
Date observed	Asking price
29 May 2026	£75,980
10 July 2026	£75,980
23 October 2026	£75,980

Price and mileage comparison

Estimated market asking price: £82,294. The asking price is £6,314 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 280 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 3,600 miles lower than typical for a 2021 Porsche 718 Cayman.

The advertised mileage is consistent with the last MOT reading.

The recorded MOT has expired; ask the dealer for an up-to-date MOT.

MOT

MOT valid until 7 October 2026. 17,506 miles at the last test.

5 other cars with the same year, trim, gearbox and fuel are for sale from £74,995 to £82,800.

Other matching cars
Asking price	Mileage
£74,995	32,000 miles
£75,990	38,901 miles
£76,995	13,000 miles
£82,500	13,447 miles
£82,800	11,650 miles

These cars have covered 11,650–38,901 miles, compared with 17,328 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 · 2021 Porsche 718 Cayman price guide

Vehicle photos

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