2018 MINI Convertible 1.5 Cooper

Price: £9,995. Fair price: £508 (4%) under the AskCar estimate of £10,503, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,035 priced MINI Convertible adverts on AskCar as of 2 November 2026.

AskCar lists 1,068 used MINI Convertible from 694 UK dealerships, as of 2 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: 39,349 miles
  • Fuel: Petrol
  • Body: Convertible, 2 doors, 4 seats
  • Engine: 1.5 litres, 134 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Black
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 39,349 miles, this 2018 MINI Convertible Cooper has covered about 3,900 fewer miles than other 2018 MINI Convertible cars. The dealer is asking £9,995, which is £508 below the AskCar estimate of £10,503. To work out the AskCar estimate, we analyse UK dealer adverts for 1,035 MINI Convertible cars across different ages and specifications. We first recorded this advert 13 days ago, and its asking price has since fallen by £1,000. The seller is Crystal Motor Company, based in Northampton. 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: £508 (4%) under the AskCar estimate of £10,503.

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 13 days.

Price history

AskCar first saw this advert on 20 October 2026 at £10,995. Its asking price is now £9,995, £1,000 less. The latest price cut was seen on 23 October 2026.

Price changes recorded:

  • 20 October 2026: £10,995
  • 23 October 2026: £9,995

Mileage and MOT

Advertised mileage is about 3,900 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, green. Mileage: 38,054 miles. Price: £10,750, £755 more than this car. Dealer: Cotswold MINI Hereford in Hereford. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-cb5830cad588
  • 2018 MINI Convertible Cooper, 1.5 petrol convertible, silver. Mileage: 40,760 miles. Price: £9,950, the same price as this car. Dealer: Suffolk Trade Centre in Newmarket. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-87bbe2b2396d
  • 2018 MINI Convertible Cooper, 1.5 petrol convertible, blue. Mileage: 37,750 miles. Price: £11,995, £2,000 more than this car. Dealer: Motor Village in Bristol. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-294474892c9a
  • The nearest: 2018 MINI Convertible Cooper, 1.5 petrol convertible, white, 17 miles from this car. Mileage: 45,000 miles. Price: £8,995, £1,000 less than this car. Dealer: MK Car Sales in Milton Keynes. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-2d3fa814c469

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

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Photos

30 photos of this car are on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.