2023 Porsche 718 Boxster 4.0 GTS
Price: £78,500. Fair price: £4,974 (6%) over the AskCar estimate of £73,526, our expected asking price for this car from its model, age, mileage and specification, drawing on 200 priced Porsche 718 Boxster adverts on AskCar as of 7 November 2026.
AskCar lists 202 used Porsche 718 Boxster from 138 UK dealerships, as of 7 November 2026.
Overview
- Make: Porsche
- Model: 718 Boxster
- Trim: GTS
- Version: 4.0 GTS Manual RWD Euro 6 2dr (394 bhp)
- Year: 2023
- Mileage: 14,726 miles
- Fuel: Petrol
- Body: Convertible, 2 doors, 2 seats
- Engine: 4.0 litres, 394 bhp
- Gearbox: Manual
- Drive: Rear-wheel drive
- Colour: Green
- CO2: 247 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 14,726 miles, this 2023 Porsche 718 Boxster Gts has covered about 2,700 more miles than other 2023 Porsche 718 Boxster cars. The dealer is asking £78,500, which is £4,974 above the AskCar estimate of £73,526. To work out the AskCar estimate, we analyse UK dealer adverts for 200 Porsche 718 Boxster cars across different ages and specifications. This car was first seen in our listings data 6 days ago. Its advertised mileage matches the government's MOT record. It is advertised by Sytner Group Porsche Centre Silverstone in Towcester. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 7 November 2026.
Price
Fair price: £4,974 (6%) over the AskCar estimate of £73,526.
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 200 priced Porsche 718 Boxster adverts across different ages and specifications, as of 7 November 2026.
A 2023 Porsche 718 Boxster with the 4.0 petrol engine is typically advertised at £75,700: the median of the 10 for sale on AskCar, as of 7 November 2026.
Time on sale
AskCar first saw this 2023 Porsche 718 Boxster advertised 6 days ago.
Price history
AskCar first saw this advert on 1 November 2026 at £78,500. 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 7 November 2026: valid until 24 April 2027.
It has had one MOT, on 26 March 2026, and passed.
There were no advisories at the latest test.
Mileage at that test: 10,355 miles, which matches the advertised 14,726 miles.
Advertised mileage is about 2,700 miles higher than the median mileage of a 2023 Porsche 718 Boxster on AskCar.
Similar cars
3 other 2023 Porsche 718 Boxster GTS 4.0 petrol manual convertibles are for sale at UK dealers, from £71,450 to £79,488, as of 7 November 2026.
The 3 closest to this car in mileage:
- 2023 Porsche 718 Boxster GTS, 4.0 petrol convertible, silver. Mileage: 13,998 miles. Price: £71,450, £7,050 less than this car. Dealer: Stratstone Porsche Centre Cambridge in Cambridge. AskCar page: https://askcar.co.uk/car/porsche-718-boxster-2023-d862960ea449
- 2023 Porsche 718 Boxster GTS, 4.0 petrol convertible, grey. Mileage: 9,987 miles. Price: £76,995, £1,505 less than this car. Dealer: MotorClass Premium Vehicles in Wigan. AskCar page: https://askcar.co.uk/car/porsche-718-boxster-2023-14260678ae05
- 2023 Porsche 718 Boxster GTS, 4.0 petrol convertible, grey. Mileage: 4,222 miles. Price: £79,488, £988 more than this car. Dealer: Junction 17 Cars Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/porsche-718-boxster-2023-f9e9945574cb
Browse all Porsche 718 Boxster cars for sale · 2023 Porsche 718 Boxster price guide
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Photos
56 photos of this car are on its AskCar page.
As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.