2018 MINI Convertible 2.0 Cooper S

Overview

• Make: MINI
• Model: Convertible
• Trim: Cooper S
• Version: 2.0 Cooper S Manual FWD Euro 6 (s/s) 2dr (189 bhp)
• Year: 2018
• Mileage: 71,459 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 2.0 litres, 189 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 142 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 71,459 miles, this 2018 MINI Convertible Cooper S has covered about 28,200 more miles than other 2018 MINI Convertible cars. The dealer is asking £8,999, which is £573 below the AskCar estimate of £9,572. 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 61 days, and its asking price is down £1,099. The government's MOT record matches its advertised mileage. It is advertised by cinch Corby in North Northamptonshire. 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: £573 (5%) under the AskCar estimate of £9,572.

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 2.0 petrol engine is typically advertised at £13,700: the median of the 28 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 61 days, and its asking price has been cut by £1,099. 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 2 September 2026 at £10,098. Its asking price is now £8,999, £1,099 less. The latest price cut was seen on 20 October 2026.

Price changes recorded:

• 2 September 2026: £10,098
• 11 September 2026: £9,999
• 22 September 2026: £9,899
• 2 October 2026: £9,999
• 9 October 2026: £9,499
• 20 October 2026: £8,999

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 29 August 2027.

It has had 8 MOTs. The latest, on 30 August 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 71,456 miles, which matches the advertised 71,459 miles.

Advertised mileage is about 28,200 miles higher than the median mileage of a 2018 MINI Convertible on AskCar.

Similar cars

9 other 2018 MINI Convertible Cooper S 2.0 petrol manual convertibles are for sale at UK dealers, from £8,995 to £14,250, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2018 MINI Convertible Cooper S, 2.0 petrol convertible, grey. Mileage: 76,798 miles. Price: £8,995, the same price as this car. Dealer: Group 1 Brighton MINI in Brighton and Hove. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-89b319382efe
• 2018 MINI Convertible Cooper S, 2.0 petrol convertible, red. Mileage: 58,198 miles. Price: £9,995, £996 more than this car. Dealer: Seals Automobiles in Carlisle. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-843633bf48f7
• 2018 MINI Convertible Cooper S, 2.0 petrol convertible, silver. Mileage: 48,651 miles. Price: £12,295, £3,296 more than this car. Dealer: Moorside Garage in Maidenhead. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-91690278ae92

• The nearest: 2018 MINI Convertible Cooper S, 2.0 petrol convertible, grey, under a mile from this car. Mileage: 23,471 miles. Price: £13,499, £4,500 more than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-286d8b8ab2ca