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: 30,276 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

This 2018 MINI Convertible Cooper S 25Th Anniversary has covered 30,276 miles, around 13,200 fewer miles than is typical for its age. Priced at £17,991, it is advertised £3,437 above the AskCar estimate of £14,554. To work out the AskCar estimate, we analyse UK dealer adverts for 1,055 MINI Convertible cars across different ages and specifications. We first recorded this car for sale today. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Vertu MINI York, based in York. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £3,437 (23%) over the AskCar estimate of £14,554.

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 1,055 priced MINI Convertible adverts across different ages and specifications, as of 6 November 2026.

A 2018 MINI Convertible with the 2.0 petrol engine is typically advertised at £13,800: the median of the 30 for sale on AskCar, as of 6 November 2026.

Time on sale

AskCar first saw this 2018 MINI Convertible advertised today. About half of 2018 MINI Convertible cars are gone from sale within a month of being advertised: 56 of the 115 first advertised between 11 July 2026 and 3 October 2026.

Price history

AskCar first saw this advert on 6 November 2026 at £17,991. 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 6 November 2026: valid until 24 April 2027.

It has had 6 MOTs. The latest, on 23 April 2026, passed.

Advisories at the latest test: nearside front outer tyre worn close to legal limit/worn on edge.

Mileage at that test: 29,262 miles, which matches the advertised 30,276 miles.

Advertised mileage is about 13,200 miles lower than the median mileage of a 2018 MINI Convertible on AskCar.

Similar cars

4 other 2018 MINI Convertible Cooper S 25TH Anniversary 2.0 petrol automatic convertibles are for sale at UK dealers, from £11,800 to £18,000, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2018 MINI Convertible Cooper S 25TH Anniversary, 2.0 petrol convertible, blue. Mileage: 29,727 miles. Price: £11,800, £6,191 less 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: 27,586 miles. Price: £11,990, £6,001 less than this car. Dealer: Berkeley Motor Group in Greenford. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-bd8c8d806f97
• 2018 MINI Convertible Cooper S 25TH Anniversary, 2.0 petrol convertible, blue. Mileage: 25,411 miles. Price: £18,000, the same price as this car. Dealer: Sytner Newport MINI in Newport. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-fe194817830d

• The nearest: 2018 MINI Convertible Cooper S 25TH Anniversary, 2.0 petrol convertible, blue, 20 miles from this car. Mileage: 10,000 miles. Price: £15,490, £2,501 less than this car. Dealer: Hut Green Garage in Eggborough. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-4e94bf2a96a4