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: 44,000 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 2 seats
• Engine: 2.5 litres, 360 bhp
• Gearbox: Automatic (PDK)
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 186 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 44,000 miles, this 2018 Porsche 718 Boxster Gts has covered about 4,600 more miles than other 2018 Porsche 718 Boxster cars. Its asking price of £46,450 is £255 above the AskCar estimate of £46,195. The AskCar estimate uses 190 UK dealer adverts for the Porsche 718 Boxster, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 89 days ago, and its asking price has since fallen by £1,040. You can find this car at Sagitta Automotive in Derby. 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: £255 (under 1%) over the AskCar estimate of £46,195.

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 89 days.

Price history

AskCar first saw this advert on 8 August 2026 at £47,490. Its asking price is now £46,450, £1,040 less. The latest price cut was seen on 24 October 2026.

Price changes recorded:

• 8 August 2026: £47,490
• 3 September 2026: £46,995
• 24 October 2026: £46,450

Mileage and MOT

Advertised mileage is about 4,600 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, red. Mileage: 43,103 miles. Price: £51,995, £5,545 more than this car. Dealer: Dick Lovett Porsche Centre Swindon in Swindon. AskCar page: https://askcar.co.uk/car/porsche-718-boxster-2018-b00ad1211cdd
• 2018 Porsche 718 Boxster GTS, 2.5 petrol convertible, black. Mileage: 49,750 miles. Price: £39,995, £6,455 less than this car. Dealer: Invictus Porsche in Bishop's Stortford. AskCar page: https://askcar.co.uk/car/porsche-718-boxster-2018-cb2243ec8660
• 2018 Porsche 718 Boxster GTS, 2.5 petrol convertible, white. Mileage: 54,000 miles. Price: £43,950, £2,500 less than this car. Dealer: Sutton Car Sales in Sutton Coldfield. AskCar page: https://askcar.co.uk/car/porsche-718-boxster-2018-92e0fa1d5147

• The nearest: 2018 Porsche 718 Boxster GTS, 2.5 petrol convertible, silver, 17 miles from this car. Mileage: 31,000 miles. Price: £47,480, £1,030 more than this car. Dealer: Auto100.Co.Uk in Sutton in Ashfield. AskCar page: https://askcar.co.uk/car/porsche-718-boxster-2018-46341cd35e58