2018 Porsche 718 Boxster 2.5 GTS

Overview

• Make: Porsche
• Model: 718 Boxster
• Trim: GTS
• Version: 2.5 T GTS PDK RWD Euro 6 (s/s) 2dr (360 bhp)
• Year: 2018
• Mileage: 54,000 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 2 seats
• Engine: 2.5 litres, 360 bhp
• Gearbox: Automatic (PDK)
• Drive: Rear-wheel drive
• Colour: White
• CO2: 186 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Porsche 718 Boxster Gts is advertised with 54,000 miles, approximately 14,600 above the typical mileage for its age. Priced at £43,950, it is advertised £434 above the AskCar estimate of £43,516. The AskCar estimate uses 190 UK dealer adverts for the Porsche 718 Boxster, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert for 161 days. Its advertised mileage matches the government's MOT record. You can find this car at Sutton Car Sales in Sutton Coldfield. 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: £434 (1%) over the AskCar estimate of £43,516.

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 2018 Porsche 718 Boxster with the 2.5 petrol engine is typically advertised at £46,400: the median of the 11 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2018 Porsche 718 Boxster has been on sale for at least 161 days.

Price history

AskCar first saw this advert on 28 May 2026 at £42,950. Its asking price is now £43,950, £1,000 more.

Price changes recorded:

• 29 May 2026: £42,950
• 21 June 2026: £44,950
• 9 August 2026: £43,950
• 3 October 2026: £42,950
• 4 October 2026: £43,950
• 17 October 2026: £41,950
• 3 November 2026: £43,950

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 22 March 2027.

It has had 6 MOTs. The latest, on 23 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 54,014 miles, which matches the advertised 54,000 miles.

Advertised mileage is about 14,600 miles higher than the median mileage of a 2018 Porsche 718 Boxster on AskCar.

Similar cars

9 other 2018 Porsche 718 Boxster GTS 2.5 petrol automatic convertibles are for sale at UK dealers, from £30,975 to £61,995, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2018 Porsche 718 Boxster GTS, 2.5 petrol convertible, blue. Mileage: 55,000 miles. Price: £49,500, £5,550 more than this car. Dealer: Sytner Group Porsche Centre Glasgow in Glasgow. AskCar page: https://askcar.co.uk/car/porsche-718-boxster-2018-0e5946fbde8c
• 2018 Porsche 718 Boxster GTS, 2.5 petrol convertible, silver. Mileage: 55,864 miles. Price: £39,995, £3,955 less than this car. Dealer: The Drivers Gallery in Bromsgrove. AskCar page: https://askcar.co.uk/car/porsche-718-boxster-2018-e17080882265
• 2018 Porsche 718 Boxster GTS, 2.5 petrol convertible, black. Mileage: 49,750 miles. Price: £39,995, £3,955 less than this car. Dealer: Invictus Porsche in Bishop's Stortford. AskCar page: https://askcar.co.uk/car/porsche-718-boxster-2018-cb2243ec8660

• The nearest: 2018 Porsche 718 Boxster GTS, 2.5 petrol convertible, white, 11 miles from this car. Mileage: 10,000 miles. Price: £30,975, £12,975 less than this car. Dealer: Sandwell Car Sales in West Bromwich. AskCar page: https://askcar.co.uk/car/porsche-718-boxster-2018-eb32f5efd9b4