2017 Porsche 718 Boxster 2.5 S
Price: £35,995. Fair price: £1,122 (3%) over the AskCar estimate of £34,873, our expected asking price for this car from its model, age, mileage and specification, drawing on 189 priced Porsche 718 Boxster adverts on AskCar as of 2 November 2026.
AskCar lists 190 used Porsche 718 Boxster from 139 UK dealerships, as of 2 November 2026.
Overview
- Make: Porsche
- Model: 718 Boxster
- Trim: S
- Version: 2.5 T S Manual RWD Euro 6 (s/s) 2dr (345 bhp)
- Year: 2017
- Mileage: 44,000 miles
- Fuel: Petrol
- Body: Convertible, 2 doors, 2 seats
- Engine: 2.5 litres, 345 bhp
- Gearbox: Manual
- Drive: Rear-wheel drive
- Colour: Silver
- CO2: 184 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2017 Porsche 718 Boxster is advertised with 44,000 miles, approximately 12,000 above the typical mileage for its age. The AskCar estimate for this car is £34,873. It is priced at £35,995, which is £1,122 above that estimate. The AskCar estimate draws on 189 Porsche 718 Boxster adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale 80 days ago. Its advertised mileage matches the government's MOT record. You can find this car at Seymour Horwell in Newton Abbot. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £1,122 (3%) over the AskCar estimate of £34,873.
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 189 priced Porsche 718 Boxster adverts across different ages and specifications, as of 2 November 2026.
A 2017 Porsche 718 Boxster with the 2.5 petrol engine is typically advertised at £40,100: the median of the 10 for sale on AskCar, as of 2 November 2026.
Time on sale
This 2017 Porsche 718 Boxster has been on sale for at least 80 days.
Price history
AskCar first saw this advert on 14 August 2026 at £35,995. Its asking price has not changed.
Mileage and MOT
It has had 2 MOTs. The latest, on 17 May 2022, passed.
There were no advisories at the latest test.
Mileage at that test: 14,032 miles, which matches the advertised 44,000 miles.
Advertised mileage is about 12,000 miles higher than the median mileage of a 2017 Porsche 718 Boxster on AskCar.
Browse all Porsche 718 Boxster cars for sale · 2017 Porsche 718 Boxster price guide
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Photos
60 photos of this car are on its AskCar page.
As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.