2021 Porsche 718 Boxster 4.0 GTS
Price: £64,995. Fair price: £892 (1%) under the AskCar estimate of £65,887, 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: 4.0 GTS Manual RWD Euro 6 2dr (394 bhp)
- Year: 2021
- Mileage: 20,700 miles
- Fuel: Petrol
- Body: Convertible, 2 doors, 2 seats
- Engine: 4.0 litres, 394 bhp
- Gearbox: Manual
- Drive: Rear-wheel drive
- Colour: Silver
- CO2: 247 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2021 Porsche 718 Boxster Gts has covered 20,700 miles. Its asking price of £64,995 is £892 below the AskCar estimate of £65,887. The AskCar estimate draws on 198 Porsche 718 Boxster adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 40 days ago, and its asking price has since fallen by £3,000. Its advertised mileage matches the government's MOT record. You can find this car at Harbour Cars in Chichester. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 6 November 2026.
Price
Fair price: £892 (1%) under the AskCar estimate of £65,887.
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.
Time on sale
This 2021 Porsche 718 Boxster has been on sale for at least 40 days.
Price history
AskCar first saw this advert on 27 September 2026 at £67,995. Its asking price is now £64,995, £3,000 less. The latest price cut was seen on 24 October 2026.
Price changes recorded:
- 27 September 2026: £67,995
- 24 October 2026: £64,995
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 17 September 2027.
It has had 3 MOTs. The latest, on 18 September 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 20,618 miles, which matches the advertised 20,700 miles.
Advertised mileage is about 300 miles higher than the median mileage of a 2021 Porsche 718 Boxster on AskCar.
Browse all Porsche 718 Boxster cars for sale · 2021 Porsche 718 Boxster price guide
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Photos
30 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.