2018 MINI Convertible 1.5 Cooper Exclusive

Overview

• Make: MINI
• Model: Convertible
• Trim: Cooper Exclusive
• Version: 1.5 Cooper Exclusive Steptronic FWD Euro 6 (s/s) 2dr (134 bhp)
• Year: 2018
• Mileage: 18,021 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 1.5 litres, 134 bhp
• Gearbox: Automatic (Steptronic)
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 125 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 MINI Convertible Cooper Exclusive is advertised with 18,021 miles, approximately 25,200 below the typical mileage for its age. Its asking price of £14,495 is £206 below the AskCar estimate of £14,701. The AskCar estimate uses 1,035 UK dealer adverts for the MINI Convertible, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert for 10 days. The government's MOT record matches its advertised mileage. You can find this car at Superbia Automotive 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

Fair price: £206 (1%) under the AskCar estimate of £14,701.

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 £14,495. 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 13 July 2027.

It has had 6 MOTs. The latest, on 10 July 2026, passed.

Advisories at the latest test: offside front tyre worn close to legal limit/worn on edge; nearside rear inner brake pad(s) wearing thin.

Mileage at that test: 17,138 miles, which matches the advertised 18,021 miles.

Advertised mileage is about 25,200 miles lower than the median mileage of a 2018 MINI Convertible on AskCar.