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: 38,054 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 1.5 litres, 134 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Green
• CO2: 130 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 38,054 miles on the clock, this 2018 MINI Convertible Cooper has done roughly 5,200 fewer miles than a typical 2018 MINI Convertible. The AskCar estimate for this car is £10,592. It is priced at £10,750, which is £158 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 1,035 MINI Convertible cars across different ages and specifications. Since we first spotted the advert 55 days ago, the asking price has dropped by £400. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Cotswold MINI Hereford, based in Hereford. 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: £158 (1%) over the AskCar estimate of £10,592.

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 55 days.

Price history

AskCar first saw this advert on 8 September 2026 at £11,150. Its asking price is now £10,750, £400 less. The latest price cut was seen on 20 October 2026.

Price changes recorded:

• 8 September 2026: £11,150
• 19 September 2026: £10,999
• 6 October 2026: £10,850
• 20 October 2026: £10,750

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 20 April 2027.

It failed its MOT on 9 April 2026 (nearside rear tyre has a cut in excess of the requirements deep enough to reach the ply or cords) and passed 2 days later, on 11 April 2026.

Advisories at the latest test: offside rear tyre slightly damaged/cracking or perishing.

Mileage at that test: 35,898 miles, which matches the advertised 38,054 miles.

Advertised mileage is about 5,200 miles lower 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: 37,750 miles. Price: £11,995, £1,245 more than this car. Dealer: Motor Village in Bristol. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-294474892c9a
• 2018 MINI Convertible Cooper, 1.5 petrol convertible, black. Mileage: 39,349 miles. Price: £9,995, £755 less than this car. Dealer: Crystal Motor Company in Northampton. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-982abc25df08
• 2018 MINI Convertible Cooper, 1.5 petrol convertible, silver. Mileage: 40,760 miles. Price: £9,950, £800 less than this car. Dealer: Suffolk Trade Centre in Newmarket. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-87bbe2b2396d

• The nearest: 2018 MINI Convertible Cooper, 1.5 petrol convertible, black, 31 miles from this car. Mileage: 45,472 miles. Price: £9,499, £1,251 less than this car. Dealer: Ron Skinner & Sons (Tredegar) in Tredegar. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-d9b6a47544f0