2017 Porsche 718 Boxster 2.5 S

Price: £35,370. Fair price: £2,640 (6%) under the AskCar estimate of £38,010, our expected asking price for this car from its model, age, mileage and specification, drawing on 190 priced Porsche 718 Boxster adverts on AskCar as of 5 November 2026.

AskCar lists 191 used Porsche 718 Boxster from 134 UK dealerships, as of 5 November 2026.

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: 48,329 miles
  • Fuel: Petrol
  • Body: Convertible, 2 doors, 2 seats
  • Engine: 2.5 litres, 345 bhp
  • Gearbox: Automatic (PDK)
  • Drive: Rear-wheel drive
  • Colour: Black
  • CO2: 167 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2017 Porsche 718 Boxster is advertised with 48,329 miles, approximately 16,200 above the typical mileage for its age. The dealer is asking £35,370, which is £2,640 below the AskCar estimate of £38,010. To work out the AskCar estimate, we analyse UK dealer adverts for 190 Porsche 718 Boxster cars across different ages and specifications. Since we first spotted the advert 35 days ago, the asking price has dropped by £1,660. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by Ryds Group in Stoke Newington. 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: £2,640 (6%) under the AskCar estimate of £38,010.

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 35 days.

Price history

AskCar first saw this advert on 1 October 2026 at £37,030. Its asking price is now £35,370, £1,660 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

  • 1 October 2026: £37,030
  • 3 October 2026: £37,070
  • 4 October 2026: £37,150
  • 5 October 2026: £37,080
  • 8 October 2026: £37,120
  • 9 October 2026: £37,590
  • 10 October 2026: £37,640
  • 11 October 2026: £37,660
  • 12 October 2026: £37,510
  • 14 October 2026: £37,420
  • 15 October 2026: £37,390
  • 16 October 2026: £37,400
  • 17 October 2026: £37,460
  • 18 October 2026: £37,530
  • 19 October 2026: £37,510
  • 21 October 2026: £37,470
  • 22 October 2026: £37,310
  • 23 October 2026: £37,400
  • 24 October 2026: £37,340
  • 25 October 2026: £37,370
  • 26 October 2026: £37,400
  • 28 October 2026: £37,330
  • 31 October 2026: £37,380
  • 1 November 2026: £37,260
  • 3 November 2026: £37,290
  • 4 November 2026: £37,280
  • 5 November 2026: £35,370

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 8 January 2027.

It has had 7 MOTs. The latest, on 9 January 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 45,954 miles, which matches the advertised 48,329 miles.

Advertised mileage is about 16,200 miles higher 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 £36,718 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, red. Mileage: 40,768 miles. Price: £38,490, £3,120 more than this car. Dealer: Auto Manor in Lasham. AskCar page: https://askcar.co.uk/car/porsche-718-boxster-2017-67de5d135a57
  • 2017 Porsche 718 Boxster S, 2.5 petrol convertible, red. Mileage: 59,350 miles. Price: £36,718, £1,348 more than this car. Dealer: Roy Humphrey Vargas in Eye. AskCar page: https://askcar.co.uk/car/porsche-718-boxster-2017-0fd5167d671b
  • 2017 Porsche 718 Boxster S, 2.5 petrol convertible, blue. Mileage: 30,000 miles. Price: £41,490, £6,120 more than this car. Dealer: Smiths Sports and Performance in Melton Mowbray. AskCar page: https://askcar.co.uk/car/porsche-718-boxster-2017-1b4a082fd94d

Browse all Porsche 718 Boxster cars for sale · 2017 Porsche 718 Boxster price guide

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Photos

19 photos of this car are on its AskCar page.

As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.