2023 Porsche 718 Boxster 4.0 GTS

Overview

• Make: Porsche
• Model: 718 Boxster
• Trim: GTS
• Version: 4.0 GTS Manual RWD Euro 6 2dr (394 bhp)
• Year: 2023
• Mileage: 4,222 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 2 seats
• Engine: 4.0 litres, 394 bhp
• Gearbox: Manual
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 247 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Porsche 718 Boxster Gts has covered 4,222 miles, around 7,800 fewer miles than is typical for its age. The AskCar estimate for this car is £79,085. It is priced at £79,488, which is £403 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 199 Porsche 718 Boxster cars across different ages and specifications. This car was first seen in our listings data 44 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Junction 17 Cars Peterborough in Yaxley. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £403 (under 1%) over the AskCar estimate of £79,085.

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 199 priced Porsche 718 Boxster adverts across different ages and specifications, as of 8 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 8 November 2026.

Time on sale

This 2023 Porsche 718 Boxster has been on sale for at least 44 days.

Price history

AskCar first saw this advert on 25 September 2026 at £79,488. 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 8 November 2026: valid until 28 July 2027.

It has had one MOT, on 16 July 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 4,018 miles, which matches the advertised 4,222 miles.

Advertised mileage is about 7,800 miles lower 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 £78,500, as of 8 November 2026.

The 3 closest to this car in mileage:

• 2023 Porsche 718 Boxster GTS, 4.0 petrol convertible, grey. Mileage: 9,987 miles. Price: £76,495, £2,993 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, silver. Mileage: 13,998 miles. Price: £71,450, £8,038 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, green. Mileage: 14,726 miles. Price: £78,500, £988 less than this car. Dealer: Sytner Group Porsche Centre Silverstone in Silverstone. AskCar page: https://askcar.co.uk/car/porsche-718-boxster-2023-09daac3bfe8d