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: Blue
• CO2: 130 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 MINI Convertible Cooper has covered 30,000 miles, around 13,200 fewer miles than is typical for its age. Priced at £11,795, it is advertised £628 above 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. The dealer may accept less: this car has been on sale for at least 60 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Harts Of Honiton, based in Honiton. 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: £628 (5%) over 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

The dealer may accept less. This 2018 MINI Convertible has been on sale for at least 60 days. 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 3 September 2026 at £11,795. 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 1 June 2027.

It has had 7 MOTs. The latest, on 29 May 2026, passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge bold; offside front inner tyre worn close to legal limit/worn on edge bold.

Mileage at that test: 29,210 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, white. Mileage: 30,000 miles. Price: £10,995, £800 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: 30,300 miles. Price: £10,850, £945 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, £2,045 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, blue, 52 miles from this car. Mileage: 37,750 miles. Price: £11,995, £200 more than this car. Dealer: Motor Village in Bristol. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-294474892c9a