2018 MINI Convertible 1.5 Cooper

Overview

• Make: MINI
• Model: Convertible
• Trim: Cooper
• Version: 1.5 Cooper Manual FWD Euro 6 (s/s) 2dr (134 bhp)
• Year: 2018
• Mileage: 30,000 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 1.5 litres, 134 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: White
• CO2: 130 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 MINI Convertible Cooper is advertised with 30,000 miles, approximately 13,200 below the typical mileage for its age. The dealer is asking £10,995, which is £172 below the AskCar estimate of £11,167. To work out the AskCar estimate, we analyse UK dealer adverts for 1,035 MINI Convertible cars across different ages and specifications. We have tracked this advert for 15 days. Its advertised mileage matches the government's MOT record. The seller is Maidstone Auto Centre, based in Maidstone. 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: £172 (1%) under the AskCar estimate of £11,167.

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 15 days.

Price history

AskCar first saw this advert on 18 October 2026 at £10,995. 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 24 September 2027.

It has had 8 MOTs. The latest, on 22 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 30,206 miles, which matches the advertised 30,000 miles.

Advertised mileage is about 13,200 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: 30,000 miles. Price: £11,795, £800 more than this car. Dealer: Harts Of Honiton in Honiton. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-4f7fde45e009
• 2018 MINI Convertible Cooper, 1.5 petrol convertible, blue. Mileage: 30,300 miles. Price: £10,850, £145 less than this car. Dealer: Pentagon Oldham in Oldham. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-d0037910bf22
• 2018 MINI Convertible Cooper, 1.5 petrol convertible, silver. Mileage: 30,525 miles. Price: £9,750, £1,245 less than this car. Dealer: James Nutt Cars in Redditch. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-438a0d1f3b11

• The nearest: 2018 MINI Convertible Cooper, 1.5 petrol convertible, grey, 34 miles from this car. Mileage: 73,302 miles. Price: £9,995, £1,000 less than this car. Dealer: Group 1 Chelmsford MINI in Chelmsford. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-280f1a47e92d