2018 Porsche 718 Boxster 2.5 GTS
Price: £61,995. Fair price: £3,899 (6%) over the AskCar estimate of £58,096, our expected asking price for this car from its model, age, mileage and specification, drawing on 198 priced Porsche 718 Boxster adverts on AskCar as of 6 November 2026.
AskCar lists 199 used Porsche 718 Boxster from 137 UK dealerships, as of 6 November 2026.
Overview
- Make: Porsche
- Model: 718 Boxster
- Trim: GTS
- Version: 2.5 T GTS PDK RWD Euro 6 (s/s) 2dr (360 bhp)
- Year: 2018
- Mileage: 4,200 miles
- Fuel: Petrol
- Body: Convertible, 2 doors, 2 seats
- Engine: 2.5 litres, 360 bhp
- Gearbox: Automatic (PDK)
- Drive: Rear-wheel drive
- Colour: Red
- CO2: 186 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
With 4,200 miles on the clock, this 2018 Porsche 718 Boxster Gts has done roughly 36,100 fewer miles than a typical 2018 Porsche 718 Boxster. Priced at £61,995, it is advertised £3,899 above the AskCar estimate of £58,096. The AskCar estimate uses 198 UK dealer adverts for the Porsche 718 Boxster, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 114 days ago, and its asking price has since fallen by £3,000. It is for sale at Mayfields in Telford. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 6 November 2026.
Price
Fair price: £3,899 (6%) over the AskCar estimate of £58,096.
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 198 priced Porsche 718 Boxster adverts across different ages and specifications, as of 6 November 2026.
A 2018 Porsche 718 Boxster with the 2.5 petrol engine is typically advertised at £46,400: the median of the 11 for sale on AskCar, as of 6 November 2026.
Time on sale
This 2018 Porsche 718 Boxster has been on sale for at least 114 days.
Price history
AskCar first saw this advert on 15 July 2026 at £64,995. Its asking price is now £61,995, £3,000 less. The latest price cut was seen on 29 September 2026.
Price changes recorded:
- 15 July 2026: £64,995
- 8 September 2026: £63,995
- 29 September 2026: £61,995
Mileage and MOT
Advertised mileage is about 36,100 miles lower than the median mileage of a 2018 Porsche 718 Boxster on AskCar.
Similar cars
9 other 2018 Porsche 718 Boxster GTS 2.5 petrol automatic convertibles are for sale at UK dealers, from £30,975 to £55,990, as of 6 November 2026.
The 3 closest to this car in mileage:
- 2018 Porsche 718 Boxster GTS, 2.5 petrol convertible, white. Mileage: 10,000 miles. Price: £30,975, £31,020 less than this car. Dealer: Sandwell Car Sales in West Bromwich. AskCar page: https://askcar.co.uk/car/porsche-718-boxster-2018-eb32f5efd9b4
- 2018 Porsche 718 Boxster GTS, 2.5 petrol convertible, red. Mileage: 29,300 miles. Price: £55,990, £6,005 less than this car. Dealer: Bowker Motor Group in Preston. AskCar page: https://askcar.co.uk/car/porsche-718-boxster-2018-3c8c278e9db6
- 2018 Porsche 718 Boxster GTS, 2.5 petrol convertible, silver. Mileage: 31,000 miles. Price: £47,480, £14,515 less than this car. Dealer: Auto100.Co.Uk in Sutton in Ashfield. AskCar page: https://askcar.co.uk/car/porsche-718-boxster-2018-46341cd35e58
Browse all Porsche 718 Boxster cars for sale · 2018 Porsche 718 Boxster price guide
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Photos
28 photos of this car are on its AskCar page.
As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.