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: 47,935 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 1.5 litres, 134 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 114 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 MINI Convertible Cooper has covered 47,935 miles, around 4,700 more miles than is typical for its age. The AskCar estimate for this car is £9,928. It is priced at £9,240, which is £688 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 1,035 MINI Convertible cars across different ages and specifications. The asking price is now £200 lower than when we first recorded the advert 5 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Evans Halshaw BYD Rotherham, based in Rotherham. 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: £688 (6%) under the AskCar estimate of £9,928.

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 5 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 28 October 2026 at £9,440. Its asking price is now £9,240, £200 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

• 28 October 2026: £9,440
• 29 October 2026: £9,240

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 18 May 2027.

It failed its MOT on 8 May 2026 (exhaust fumes entering cabin strong smell of fuel; offside rear coil spring fractured or broken) and passed 11 days later, on 19 May 2026.

There were no advisories at the latest test.

Mileage at that test: 44,576 miles, which matches the advertised 47,935 miles.

Advertised mileage is about 4,700 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, silver. Mileage: 49,541 miles. Price: £9,210, the same price as this car. Dealer: Hilton Garage in Derby. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-e155a4a97523
• 2018 MINI Convertible Cooper, 1.5 petrol convertible, white. Mileage: 49,806 miles. Price: £8,700, £540 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, blue. Mileage: 50,000 miles. Price: £9,490, £250 more than this car. Dealer: Stratus in Basingstoke. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-c1c8dc4fa922

• The nearest: 2018 MINI Convertible Cooper, 1.5 petrol convertible, black, 28 miles from this car. Mileage: 31,079 miles. Price: £10,695, £1,455 more than this car. Dealer: Adam Bede Motor Company in Matlock. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-e05a18826103