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: 57,293 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 1.5 litres, 134 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 130 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 MINI Convertible Cooper has covered 57,293 miles, around 13,100 more miles than is typical for its age. The AskCar estimate for this car is £9,356. It is priced at £9,995, which is £639 above that estimate. The AskCar estimate uses 1,049 UK dealer adverts for the MINI Convertible, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 2 days ago. Its advertised mileage matches the government's MOT record. The seller is Botley Car Centre, based in Botley. 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: £639 (6%) over the AskCar estimate of £9,356.

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 1,049 priced MINI Convertible adverts across different ages and specifications, as of 5 November 2026.

A 2018 MINI Convertible with the 1.5 petrol engine is typically advertised at £10,000: the median of the 64 for sale on AskCar, as of 5 November 2026.

Time on sale

AskCar first saw this 2018 MINI Convertible advertised 2 days ago. About half of 2018 MINI Convertible cars are gone from sale within a month of being advertised: 56 of the 114 first advertised between 11 July 2026 and 2 October 2026.

Price history

AskCar first saw this advert on 3 November 2026 at £9,995. 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 5 November 2026: valid until 18 June 2027.

It failed its MOT on 17 June 2026 (offside rear tyre has ply or cords exposed) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 54,665 miles, which matches the advertised 57,293 miles.

Advertised mileage is about 13,100 miles higher than the median mileage of a 2018 MINI Convertible on AskCar.

Similar cars

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

The 3 closest to this car in mileage:

• 2018 MINI Convertible Cooper, 1.5 petrol convertible, white. Mileage: 57,857 miles. Price: £10,750, £755 more than this car. Dealer: Sytner Sunningdale MINI in Bracknell. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-58a0b481826f
• 2018 MINI Convertible Cooper, 1.5 petrol convertible, black. Mileage: 56,650 miles. Price: £9,299, £696 less than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-459af882f98a
• 2018 MINI Convertible Cooper, 1.5 petrol convertible, blue. Mileage: 56,000 miles. Price: £8,995, £1,000 less than this car. Dealer: The Mini Shop Bristol in Yate. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-329bddeecb1b

• The nearest: 2018 MINI Convertible Cooper, 1.5 petrol convertible, blue, 6 miles from this car. Mileage: 29,164 miles. Price: £12,499, £2,504 more than this car. Dealer: Partridge Mini in Eastleigh. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-5877b53199e2