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: 48,651 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 2.0 litres, 189 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Silver
• CO2: 142 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 MINI Convertible Cooper S has covered 48,651 miles, around 5,400 more miles than is typical for its age. The dealer is asking £12,295, which is £952 above the AskCar estimate of £11,343. 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 158 days, and its asking price has been cut by £200. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Moorside Garage, based in Maidenhead. 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: £952 (8%) over the AskCar estimate of £11,343.

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 158 days, and its asking price has been cut by £200. 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 28 May 2026 at £12,495. Its asking price is now £12,295, £200 less. The latest price cut was seen on 23 June 2026.

Price changes recorded:

• 29 May 2026: £12,495
• 23 June 2026: £12,295

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 21 May 2027.

It has had 7 MOTs. The latest, on 22 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 48,649 miles, which matches the advertised 48,651 miles.

Advertised mileage is about 5,400 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, red. Mileage: 58,198 miles. Price: £9,995, £2,300 less 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, black. Mileage: 39,000 miles. Price: £11,382, £913 less than this car. Dealer: Strattons in Solihull. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-d813a8446ed3
• 2018 MINI Convertible Cooper S, 2.0 petrol convertible, white. Mileage: 37,497 miles. Price: £11,560, £735 less than this car. Dealer: Big Motoring World Norwich in Norwich. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-15f675d6b4f4

• The nearest: 2018 MINI Convertible Cooper S, 2.0 petrol convertible, black, 20 miles from this car. Mileage: 16,491 miles. Price: £14,250, £1,955 more than this car. Dealer: Berry Thames Ditton BYD in Thames Ditton. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-2d5372f9da1c