2017 Porsche 718 Boxster 2.5 S

Overview

• Make: Porsche
• Model: 718 Boxster
• Trim: S
• Version: 2.5 T S PDK RWD Euro 6 (s/s) 2dr (345 bhp)
• Year: 2017
• Mileage: 30,000 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 2 seats
• Engine: 2.5 litres, 345 bhp
• Gearbox: Automatic (PDK)
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 167 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2017 Porsche 718 Boxster is 30,000 miles. Its asking price of £41,490 is £917 below the AskCar estimate of £42,407. The AskCar estimate draws on 190 Porsche 718 Boxster adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records 23 days ago. The advertised mileage is lower than the latest MOT reading of 30,630 miles. Ask the dealer to explain. The latest recorded MOT expires on 16 March 2027. It is for sale at Smiths Sports and Performance in Melton Mowbray. 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

Fair price: £917 (2%) under the AskCar estimate of £42,407.

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 23 days.

Price history

AskCar first saw this advert on 13 October 2026 at £41,490. 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 16 March 2027.

It has had 8 MOTs. The latest, on 16 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 30,630 miles. The advert says 30,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 2,200 miles lower than the median mileage of a 2017 Porsche 718 Boxster on AskCar.

Similar cars

5 other 2017 Porsche 718 Boxster S 2.5 petrol automatic convertibles are for sale at UK dealers, from £35,370 to £46,950, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2017 Porsche 718 Boxster S, 2.5 petrol convertible, white. Mileage: 28,987 miles. Price: £40,666, £824 less than this car. Dealer: Lawton Brook in Knaresborough. AskCar page: https://askcar.co.uk/car/porsche-718-boxster-2017-68040524c04f
• 2017 Porsche 718 Boxster S, 2.5 petrol convertible, black. Mileage: 24,388 miles. Price: £46,950, £5,460 more than this car. Dealer: Group 1 Automotive Porsche Centre Bournemouth in Bournemouth. AskCar page: https://askcar.co.uk/car/porsche-718-boxster-2017-8f38d917dd7c
• 2017 Porsche 718 Boxster S, 2.5 petrol convertible, red. Mileage: 40,768 miles. Price: £38,490, £3,000 less than this car. Dealer: Auto Manor in Lasham. AskCar page: https://askcar.co.uk/car/porsche-718-boxster-2017-67de5d135a57