2018 MINI Convertible 1.5 Cooper

Price: £9,995. Above the going rate: £1,782 (21%) over the AskCar estimate of £8,213, 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: 73,302 miles
  • Fuel: Petrol
  • Body: Convertible, 2 doors, 4 seats
  • Engine: 1.5 litres, 134 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Grey
  • CO2: 114 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 MINI Convertible Cooper is advertised with 73,302 miles, approximately 30,100 above the typical mileage for its age. The AskCar estimate for this car is £8,213. It is priced at £9,995, which is £1,782 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. This car was first seen in our listings data 6 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Group 1 Chelmsford MINI, based in Chelmsford. 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: £1,782 (21%) over the AskCar estimate of £8,213.

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

AskCar first saw this 2018 MINI Convertible advertised 6 days ago. About half of 2018 MINI Convertible cars are gone from sale within a month of being advertised: 52 of the 102 first advertised between 11 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 27 October 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 2 November 2026: valid until 11 February 2027.

It has had 7 MOTs. The latest, on 6 February 2026, passed.

Advisories at the latest test: vehicles internal headlight adjuster altered to recheck lights.

Mileage at that test: 63,822 miles, which matches the advertised 73,302 miles.

Advertised mileage is about 30,100 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 2 November 2026.

The 3 closest to this car in mileage:

  • 2018 MINI Convertible Cooper, 1.5 petrol convertible, white. Mileage: 75,767 miles. Price: £9,499, £496 less than this car. Dealer: Belmont Autos in Glasgow. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-861dcaf29348
  • 2018 MINI Convertible Cooper, 1.5 petrol convertible, blue. Mileage: 69,090 miles. Price: £9,999, the same price as this car. Dealer: Motorland 2008 in Walsall. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-ee5db8474675
  • 2018 MINI Convertible Cooper, 1.5 petrol convertible, blue. Mileage: 80,859 miles. Price: £7,990, £2,005 less than this car. Dealer: Drive House UK in Gateshead. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-07cb22b15a5c
  • The nearest: 2018 MINI Convertible Cooper, 1.5 petrol convertible, blue, 9 miles from this car. Mileage: 84,613 miles. Price: £7,445, £2,550 less than this car. Dealer: Essex Car Store in Braintree. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-f4016de4aa68

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

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Photos

21 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.