2018 MINI Convertible 1.5 Cooper

Price: £12,899. Fair price: £612 (4%) over the AskCar estimate of £12,287, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,055 priced MINI Convertible adverts on AskCar as of 6 November 2026.

AskCar lists 1,090 used MINI Convertible from 693 UK dealerships, as of 6 November 2026.

Overview

  • Make: MINI
  • Model: Convertible
  • Trim: Cooper
  • Version: 1.5 Cooper Auto FWD Euro 6 (s/s) 2dr (134 bhp)
  • Year: 2018
  • Mileage: 45,331 miles
  • Fuel: Petrol
  • Body: Convertible, 2 doors, 4 seats
  • Engine: 1.5 litres, 134 bhp
  • Gearbox: Automatic
  • Drive: Front-wheel drive
  • Colour: Red
  • CO2: 125 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2018 MINI Convertible Cooper is 45,331 miles. Priced at £12,899, it is advertised £612 above the AskCar estimate of £12,287. The AskCar estimate uses UK dealer asking prices, including 1,055 MINI Convertible adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert today. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is cinch, based in Oxford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £612 (4%) over the AskCar estimate of £12,287.

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 1,055 priced MINI Convertible adverts across different ages and specifications, as of 6 November 2026.

A 2018 MINI Convertible with the 1.5 petrol engine is typically advertised at £10,000: the median of the 62 for sale on AskCar, as of 6 November 2026.

Time on sale

AskCar first saw this 2018 MINI Convertible advertised today. About half of 2018 MINI Convertible cars are gone from sale within a month of being advertised: 56 of the 115 first advertised between 11 July 2026 and 3 October 2026.

Price history

AskCar first saw this advert on 6 November 2026 at £12,899. 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 6 November 2026: valid until 29 October 2027.

It has had 8 MOTs. The latest, on 26 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 45,312 miles, which matches the advertised 45,331 miles.

Advertised mileage is about 1,900 miles higher than the median mileage of a 2018 MINI Convertible on AskCar.

Similar cars

6 other 2018 MINI Convertible Cooper 1.5 petrol automatic convertibles are for sale at UK dealers, from £8,695 to £14,750, as of 6 November 2026.

The 3 closest to this car in mileage:

  • 2018 MINI Convertible Cooper, 1.5 petrol convertible, silver. Mileage: 36,427 miles. Price: £13,750, £851 more than this car. Dealer: Sytner Wolverhampton MINI in Wolverhampton. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-c85fce98ef73
  • 2018 MINI Convertible Cooper, 1.5 petrol convertible, black. Mileage: 54,905 miles. Price: £11,450, £1,449 less than this car. Dealer: MW Motor Cars in Worksop. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-d4d717c15ee5
  • 2018 MINI Convertible Cooper, 1.5 petrol convertible, grey. Mileage: 64,044 miles. Price: £9,990, £2,909 less than this car. Dealer: Cars2 in Wakefield. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-3aae36de1951
  • The nearest: 2018 MINI Convertible Cooper, 1.5 petrol convertible, grey, 56 miles from this car. Mileage: 75,286 miles. Price: £10,295, £2,604 less than this car. Dealer: The Drivers Gallery in Bromsgrove. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-fd690eac4ff1

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

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Photos

36 photos of this car are on its AskCar page.

As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.