2017 Porsche 718 Boxster 2.5 GTS

Overview

• Make: Porsche
• Model: 718 Boxster
• Trim: GTS
• Version: 2.5 GTS PDK RWD Euro 6 2dr (359 bhp)
• Year: 2017
• Mileage: 45,000 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 2 seats
• Engine: 2.5 litres, 359 bhp
• Gearbox: Automatic (PDK)
• Drive: Rear-wheel drive
• Colour: White
• CO2: 210 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 45,000 miles on the clock, this 2017 Porsche 718 Boxster Gts has done roughly 12,800 more miles than a typical 2017 Porsche 718 Boxster. The AskCar estimate for this car is £43,127. It is priced at £39,000, which is £4,127 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 190 Porsche 718 Boxster cars across different ages and specifications. We have tracked this advert for 13 days. The government's MOT record matches its advertised mileage. 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 5 November 2026.

How we estimate prices and check cars

Price

Good value: £4,127 (9%) under the AskCar estimate of £43,127.

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 190 priced Porsche 718 Boxster adverts across different ages and specifications, as of 5 November 2026.

A 2017 Porsche 718 Boxster with the 2.5 petrol engine is typically advertised at £39,000: the median of the 11 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2017 Porsche 718 Boxster has been on sale for at least 13 days.

Price history

AskCar first saw this advert on 23 October 2026 at £39,000. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 9 January 2027.

It has had 6 MOTs. The latest, on 10 January 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 43,377 miles, which matches the advertised 45,000 miles.

Advertised mileage is about 12,800 miles higher than the median mileage of a 2017 Porsche 718 Boxster on AskCar.

Similar cars

1 other 2017 Porsche 718 Boxster GTS 2.5 petrol automatic convertible is for sale at UK dealers, as of 5 November 2026.

The closest to this car in mileage:

• 2017 Porsche 718 Boxster GTS, 2.5 petrol convertible, red. Mileage: 31,908 miles. Price: £56,295, £17,295 more than this car. Dealer: JCT600 Porsche Centre Newcastle in Tynemouth. AskCar page: https://askcar.co.uk/car/porsche-718-boxster-2017-29e6fc19b391