2021 MINI Convertible 2.0 John Cooper Works

Price: £21,390. Fair price: £401 (1%) over the AskCar estimate of £20,989, 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: John Cooper Works
  • Version: 2.0 John Cooper Works Auto FWD Euro 6 2dr (227 bhp)
  • Year: 2021
  • Mileage: 30,152 miles
  • Fuel: Petrol
  • Body: Convertible, 2 doors, 4 seats
  • Engine: 2.0 litres, 227 bhp
  • Gearbox: Automatic
  • Drive: Front-wheel drive
  • Colour: Green
  • CO2: 156 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 MINI Convertible John Cooper Works is advertised with 30,152 miles, approximately 4,200 above the typical mileage for its age. The dealer is asking £21,390, which is £401 above the AskCar estimate of £20,989. To work out the AskCar estimate, we analyse UK dealer adverts for 1,035 MINI Convertible cars across different ages and specifications. We first recorded this advert 48 days ago, and its asking price has since fallen by £1,309. Its advertised mileage matches the government's MOT record. The seller is Stratstone Mini Doncaster, based in Doncaster. 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: £401 (1%) over the AskCar estimate of £20,989.

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 2021 MINI Convertible with the 2.0 petrol engine is typically advertised at £18,400: the median of the 32 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2021 MINI Convertible has been on sale for at least 48 days.

Price history

AskCar first saw this advert on 15 September 2026 at £22,699. Its asking price is now £21,390, £1,309 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

  • 15 September 2026: £22,699
  • 26 September 2026: £22,290
  • 9 October 2026: £21,890
  • 13 October 2026: £21,616
  • 16 October 2026: £21,606
  • 24 October 2026: £21,499
  • 27 October 2026: £21,390

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 26 November 2026.

It has had 2 MOTs. The latest, on 17 November 2025, passed.

Advisories at the latest test: nearside rear tyre slightly damaged/cracking or perishing; offside rear tyre slightly damaged/cracking or perishing.

Mileage at that test: 22,884 miles, which matches the advertised 30,152 miles.

Advertised mileage is about 4,200 miles higher than the median mileage of a 2021 MINI Convertible on AskCar.

Similar cars

4 other 2021 MINI Convertible John Cooper Works 2.0 petrol automatic convertibles are for sale at UK dealers, from £18,999 to £23,000, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2021 MINI Convertible John Cooper Works, 2.0 petrol convertible, black. Mileage: 29,127 miles. Price: £21,000, £390 less than this car. Dealer: Aspi Specialist Cars in Stratford-upon-Avon. AskCar page: https://askcar.co.uk/car/mini-convertible-2021-d52c9044cfe7
  • 2021 MINI Convertible John Cooper Works, 2.0 petrol convertible, grey. Mileage: 35,701 miles. Price: £20,200, £1,190 less than this car. Dealer: Marshall Mini Grimsby in Grimsby. AskCar page: https://askcar.co.uk/car/mini-convertible-2021-60fb3b2036f7
  • 2021 MINI Convertible John Cooper Works, 2.0 petrol convertible, blue. Mileage: 20,727 miles. Price: £23,000, £1,610 more than this car. Dealer: Sytner Sunningdale MINI in Bracknell. AskCar page: https://askcar.co.uk/car/mini-convertible-2021-85d0c46c17b6

Browse all MINI Convertible cars for sale · 2021 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.