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: 45,000 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 1.5 litres, 134 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: White
• CO2: 114 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 MINI Convertible Cooper has covered 45,000 miles. Priced at £8,995, it is advertised £1,126 below the AskCar estimate of £10,121. To work out the AskCar estimate, we analyse UK dealer adverts for 1,035 MINI Convertible cars across different ages and specifications. This car was first seen in our listings data 8 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at MK Car Sales in Wavendon. 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

Good value: £1,126 (11%) under the AskCar estimate of £10,121.

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

This 2018 MINI Convertible has been on sale for at least 8 days.

Price history

AskCar first saw this advert on 25 October 2026 at £8,995. 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 31 July 2027.

It failed its MOT on 1 August 2026 (tyre tread depth below requirements of 1.6mm both side front; front service brake excessively fluctuating) and passed later the same day.

Advisories at the latest test: offside front suspension rod ball joint has slight play.

Mileage at that test: 44,351 miles, which matches the advertised 45,000 miles.

Advertised mileage is about 1,800 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: 44,793 miles. Price: £9,990, £995 more than this car. Dealer: Dunedin Car Sales in Larkhall. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-841819aea517
• 2018 MINI Convertible Cooper, 1.5 petrol convertible, black. Mileage: 45,472 miles. Price: £9,499, £504 more than this car. Dealer: Ron Skinner & Sons (Tredegar) in Tredegar. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-d9b6a47544f0
• 2018 MINI Convertible Cooper, 1.5 petrol convertible, blue. Mileage: 45,595 miles. Price: £9,403, £408 more than this car. Dealer: Hammond Cars Ipswich in Ipswich. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-dbe57881eb85

• The nearest: 2018 MINI Convertible Cooper, 1.5 petrol convertible, black, 17 miles from this car. Mileage: 39,349 miles. Price: £9,995, £1,000 more than this car. Dealer: Crystal Motor Company in Northampton. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-982abc25df08