2018 MINI Convertible 1.5 Cooper

Price: £9,490. Fair price: £343 (3%) under the AskCar estimate of £9,833, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,037 priced MINI Convertible adverts on AskCar as of 4 November 2026.

AskCar lists 1,067 used MINI Convertible from 690 UK dealerships, as of 4 November 2026.

Overview

  • Make: MINI
  • Model: Convertible
  • Trim: Cooper
  • Version: 1.5 Cooper Manual FWD Euro 6 (s/s) 2dr (134 bhp)
  • Year: 2018
  • Mileage: 50,000 miles
  • Fuel: Petrol
  • Body: Convertible, 2 doors, 4 seats
  • Engine: 1.5 litres, 134 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Blue
  • CO2: 130 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 MINI Convertible Cooper has covered 50,000 miles, around 5,900 more miles than is typical for its age. Its asking price of £9,490 is £343 below the AskCar estimate of £9,833. The AskCar estimate uses UK dealer asking prices, including 1,037 MINI Convertible adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert for 13 days. Its advertised mileage matches the government's MOT record. You can find this car at Stratus in Hook. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £343 (3%) under the AskCar estimate of £9,833.

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 1,037 priced MINI Convertible adverts across different ages and specifications, as of 4 November 2026.

A 2018 MINI Convertible with the 1.5 petrol engine is typically advertised at £10,000: the median of the 63 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2018 MINI Convertible has been on sale for at least 13 days.

Price history

AskCar first saw this advert on 22 October 2026 at £9,490. 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 4 November 2026: valid until 2 January 2027.

It has had 7 MOTs. The latest, on 23 December 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 46,388 miles, which matches the advertised 50,000 miles.

Advertised mileage is about 5,900 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 4 November 2026.

The 3 closest to this car in mileage:

  • 2018 MINI Convertible Cooper, 1.5 petrol convertible, white. Mileage: 49,806 miles. Price: £8,700, £790 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, £280 less than 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, black. Mileage: 50,835 miles. Price: £9,450, the same price as this car. Dealer: Chequers Cars Chobham in Woking. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-f387f4d9e3f5
  • The nearest: 2018 MINI Convertible Cooper, 1.5 petrol convertible, silver, 3 miles from this car. Mileage: 33,901 miles. Price: £10,799, £1,309 more than this car. Dealer: cinch Bellevue in Hook. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-b2e49e0310b0

Browse all MINI Convertible cars for sale · 2018 MINI Convertible price guide

More like this

Photos

88 photos of this car are on its AskCar page.

As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.