2018 MINI Convertible 2.0 Cooper S 25th Anniversary

Overview

• Make: MINI
• Model: Convertible
• Trim: Cooper S 25TH Anniversary
• Version: 2.0 Cooper S 25TH Anniversary Steptronic FWD Euro 6 (s/s) 2dr (189 bhp)
• Year: 2018
• Mileage: 27,586 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 27,586 miles on the clock, this 2018 MINI Convertible Cooper S 25Th Anniversary has done roughly 15,600 fewer miles than a typical 2018 MINI Convertible. Priced at £11,990, it is advertised £1,873 below the AskCar estimate of £13,863. 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 138 days. It is for sale at Berkeley Motor Group in Greenford. 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

Good value: £1,873 (13%) under the AskCar estimate of £13,863.

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 138 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 17 June 2026 at £11,990. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 15,600 miles lower than the median mileage of a 2018 MINI Convertible on AskCar.

Similar cars

2 other 2018 MINI Convertible Cooper S 25TH Anniversary 2.0 petrol automatic convertibles are for sale at UK dealers, from £13,900 to £15,490, as of 2 November 2026.

The 2 closest to this car in mileage:

• 2018 MINI Convertible Cooper S 25TH Anniversary, 2.0 petrol convertible, blue. Mileage: 29,727 miles. Price: £13,900, £1,910 more than this car. Dealer: Sytner Select Bristol in Bristol. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-c40d50532032
• 2018 MINI Convertible Cooper S 25TH Anniversary, 2.0 petrol convertible, blue. Mileage: 10,000 miles. Price: £15,490, £3,500 more than this car. Dealer: Hut Green Garage in Eggborough. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-4e94bf2a96a4