2018 MINI Convertible 2.0 Cooper S

Overview

• Make: MINI
• Model: Convertible
• Trim: Cooper S
• Version: 2.0 Cooper S Steptronic FWD Euro 6 (s/s) 2dr (189 bhp)
• Year: 2018
• Mileage: 35,165 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 2.0 litres, 189 bhp
• Gearbox: Automatic (Steptronic)
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 126 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 35,165 miles on the clock, this 2018 MINI Convertible Cooper S has done roughly 8,000 fewer miles than a typical 2018 MINI Convertible. The dealer is asking £15,995, which is £1,779 above the AskCar estimate of £14,216. To work out the AskCar estimate, we analyse UK dealer adverts for 1,035 MINI Convertible cars across different ages and specifications. Since we first spotted the advert 38 days ago, the asking price has dropped by £500. Its advertised mileage matches the government's MOT record. You can find this car at German Motor Store in Chesterfield. 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: £1,779 (12%) over the AskCar estimate of £14,216.

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

This 2018 MINI Convertible has been on sale for at least 38 days.

Price history

AskCar first saw this advert on 25 September 2026 at £16,495. Its asking price is now £15,995, £500 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 25 September 2026: £16,495
• 28 October 2026: £15,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 30 January 2027.

It failed its MOT on 30 January 2026 (nearside front tyre has a bulge, caused by separation or partial failure of its structure; nearside rear tyre has a tear, caused by separation or partial failure of its structure) and passed 1 day later, on 31 January 2026.

Advisories at the latest test: nearside rear shock absorbers has a slightly worn bush upper bump stop perished; offside rear shock absorbers has a slightly worn bush upper bump stop perished.

Mileage at that test: 26,226 miles, which matches the advertised 35,165 miles.

Advertised mileage is about 8,000 miles lower than the median mileage of a 2018 MINI Convertible on AskCar.

Similar cars

2 other 2018 MINI Convertible Cooper S 2.0 petrol automatic convertibles are for sale at UK dealers, from £11,995 to £13,985, as of 2 November 2026.

The 2 closest to this car in mileage:

• 2018 MINI Convertible Cooper S, 2.0 petrol convertible, blue. Mileage: 24,985 miles. Price: £13,985, £2,010 less than this car. Dealer: Saveonusedcars.Co.Uk in Scunthorpe. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-ba43cb9c2cda
• 2018 MINI Convertible Cooper S, 2.0 petrol convertible, blue. Mileage: 53,185 miles. Price: £11,995, £4,000 less than this car. Dealer: Sandown Group Avocado Newbury in Newbury. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-0f7257d74955