2018 MINI Convertible 1.5 Cooper

Price: £12,499. Above the going rate: £1,281 (11%) over the AskCar estimate of £11,218, 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: 29,164 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 29,164 miles, around 14,000 fewer miles than is typical for its age. The AskCar estimate for this car is £11,218. It is priced at £12,499, which is £1,281 above that estimate. The AskCar estimate draws on 1,035 MINI Convertible adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 10 days. Its advertised mileage matches the government's MOT record. It is advertised by Partridge Mini in Eastleigh. 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

Above the going rate: £1,281 (11%) over the AskCar estimate of £11,218.

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 10 days.

Price history

AskCar first saw this advert on 23 October 2026 at £12,499. 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 2 November 2026: valid until 6 November 2026.

It has had 5 MOTs. The latest, on 24 October 2025, passed.

Advisories at the latest test: offside front seat belt webbing slightly damaged or frayed; front windscreen damaged but not adversely affecting driver's view.

Mileage at that test: 22,337 miles, which matches the advertised 29,164 miles.

Advertised mileage is about 14,000 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, blue. Mileage: 29,019 miles. Price: £11,499, £1,000 less than this car. Dealer: Dick Lovett Porsche Centre Swindon in Swindon. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-db68275fdcae
  • 2018 MINI Convertible Cooper, 1.5 petrol convertible, white. Mileage: 30,000 miles. Price: £10,995, £1,504 less than this car. Dealer: Maidstone Auto Centre in Maidstone. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-2b44b3c4301f
  • 2018 MINI Convertible Cooper, 1.5 petrol convertible, blue. Mileage: 30,000 miles. Price: £11,795, £704 less than this car. Dealer: Harts Of Honiton in Honiton. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-4f7fde45e009
  • The nearest: 2018 MINI Convertible Cooper, 1.5 petrol convertible, blue, 24 miles from this car. Mileage: 43,115 miles. Price: £10,668, £1,831 less than this car. Dealer: Eden Approved Christchurch in Bournemouth. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-7a0d3684e403

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

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Photos

56 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.