2018 MINI Convertible 1.5 Cooper

Overview

• Make: MINI
• Model: Convertible
• Trim: Cooper
• Version: 1.5 Cooper Manual FWD Euro 6 (s/s) 2dr (134 bhp)
• Year: 2018
• Mileage: 50,600 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 1.5 litres, 134 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Black
• CO2: 122 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 MINI Convertible Cooper has covered 50,600 miles, around 7,400 more miles than is typical for its age. The dealer is asking £9,450, which is £306 below the AskCar estimate of £9,756. To work out the AskCar estimate, we analyse UK dealer adverts for 1,035 MINI Convertible cars across different ages and specifications. We have tracked this advert for 6 days. Its advertised mileage matches the government's MOT record. It is advertised by Chequers Cars Chobham in Woking. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £306 (3%) under the AskCar estimate of £9,756.

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 1,035 priced MINI Convertible adverts across different ages and specifications, as of 2 November 2026.

A 2018 MINI Convertible with the 1.5 petrol engine is typically advertised at £10,000: the median of the 61 for sale on AskCar, as of 2 November 2026.

Time on sale

AskCar first saw this 2018 MINI Convertible advertised 6 days ago. About half of 2018 MINI Convertible cars are gone from sale within a month of being advertised: 52 of the 102 first advertised between 11 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 27 October 2026 at £9,450. 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 2 November 2026: valid until 4 May 2027.

It has had 8 MOTs. The latest, on 5 May 2026, passed.

Advisories at the latest test: rear brake disc worn, pitted or scored, but not seriously weakened; windscreen damaged but not adversely affecting driver's view.

Mileage at that test: 45,367 miles, which matches the advertised 50,600 miles.

Advertised mileage is about 7,400 miles higher than the median mileage of a 2018 MINI Convertible on AskCar.

Similar cars

44 other 2018 MINI Convertible Cooper 1.5 petrol manual convertibles are for sale at UK dealers, from £5,995 to £12,995, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2018 MINI Convertible Cooper, 1.5 petrol convertible, blue. Mileage: 50,000 miles. Price: £9,490, the same price as this car. Dealer: Stratus in Basingstoke. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-c1c8dc4fa922
• 2018 MINI Convertible Cooper, 1.5 petrol convertible, white. Mileage: 49,806 miles. Price: £8,700, £750 less than this car. Dealer: Foray Motor Group English Ford in Poole. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-63bdf5469044
• 2018 MINI Convertible Cooper, 1.5 petrol convertible, silver. Mileage: 49,541 miles. Price: £9,210, £240 less than this car. Dealer: Hilton Garage in Derby. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-e155a4a97523

• The nearest: 2018 MINI Convertible Cooper, 1.5 petrol convertible, black, 8 miles from this car. Mileage: 42,678 miles. Price: £10,395, £945 more than this car. Dealer: Group 1 Farnborough MINI in Farnborough. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-14fe0c101321