2018 MINI Convertible 2.0 Cooper S

Price: £11,995. Fair price: £638 (5%) under the AskCar estimate of £12,633, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,035 priced MINI Convertible adverts on AskCar as of 2 November 2026.

AskCar lists 1,068 used MINI Convertible from 694 UK dealerships, as of 2 November 2026.

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: 53,185 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: 132 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 53,185 miles on the clock, this 2018 MINI Convertible Cooper S has done roughly 10,000 more miles than a typical 2018 MINI Convertible. Priced at £11,995, it is advertised £638 below the AskCar estimate of £12,633. The AskCar estimate uses UK dealer asking prices, including 1,035 MINI Convertible adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 32 days ago. Its asking price has since fallen by £1,500. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sandown Group Avocado Newbury, based in Newbury. 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: £638 (5%) under the AskCar estimate of £12,633.

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 32 days.

Price history

AskCar first saw this advert on 1 October 2026 at £13,495. Its asking price is now £11,995, £1,500 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

  • 1 October 2026: £13,495
  • 16 October 2026: £12,495
  • 23 October 2026: £12,295
  • 30 October 2026: £11,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 20 July 2027.

It has had 7 MOTs. The latest, on 21 July 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 52,352 miles, which matches the advertised 53,185 miles.

Advertised mileage is about 10,000 miles higher 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 £13,985 to £15,995, as of 2 November 2026.

The 2 closest to this car in mileage:

  • 2018 MINI Convertible Cooper S, 2.0 petrol convertible, blue. Mileage: 35,165 miles. Price: £15,995, £4,000 more than this car. Dealer: German Motor Store in Chesterfield. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-716e03db0f51
  • 2018 MINI Convertible Cooper S, 2.0 petrol convertible, blue. Mileage: 24,985 miles. Price: £13,985, £1,990 more than this car. Dealer: Saveonusedcars.Co.Uk in Scunthorpe. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-ba43cb9c2cda

Browse all MINI Convertible cars for sale · 2018 MINI Convertible price guide

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Photos

40 photos of this car are on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.