2021 MINI Convertible 2.0 John Cooper Works
Price: £21,000. Fair price: £92 (under 1%) under the AskCar estimate of £21,092, 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 Steptronic FWD Euro 6 (s/s) 2dr (228 bhp)
- Year: 2021
- Mileage: 29,127 miles
- Fuel: Petrol
- Body: Convertible, 2 doors, 4 seats
- Engine: 2.0 litres, 228 bhp
- Gearbox: Automatic (Steptronic)
- Drive: Front-wheel drive
- Colour: Black
- CO2: 162 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 29,127 miles, this 2021 MINI Convertible John Cooper Works has covered about 3,100 more miles than other 2021 MINI Convertible cars. Priced at £21,000, it is advertised £92 below the AskCar estimate of £21,092. The AskCar estimate draws on 1,035 MINI Convertible adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records 73 days ago. Our records show an MOT expiry date of 22 September 2026, which has passed. Ask the dealer for an update. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at Aspi Specialist Cars in Stratford-Upon-Avon. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £92 (under 1%) under the AskCar estimate of £21,092.
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 73 days.
Price history
AskCar first saw this advert on 21 August 2026 at £21,000. 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 2 November 2026: the latest record we hold ran out on 22 September 2026; ask the dealer for the current MOT.
It failed its MOT on 16 September 2025 (nearside front tyre has a bulge, caused by separation or partial failure of its structure) and passed later the same day.
Advisories at the latest test: nearside rear tyre has a cut but not deep enough to reach the ply or cords.
Mileage at that test: 25,496 miles, which matches the advertised 29,127 miles.
Advertised mileage is about 3,100 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, green. Mileage: 30,152 miles. Price: £21,390, £390 more than this car. Dealer: Stratstone Mini Doncaster in Doncaster. AskCar page: https://askcar.co.uk/car/mini-convertible-2021-4b17f5c7f817
- 2021 MINI Convertible John Cooper Works, 2.0 petrol convertible, grey. Mileage: 35,701 miles. Price: £20,200, £800 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, £2,000 more than this car. Dealer: Sytner Sunningdale MINI in Bracknell. AskCar page: https://askcar.co.uk/car/mini-convertible-2021-85d0c46c17b6
- The nearest: 2021 MINI Convertible John Cooper Works, 2.0 petrol convertible, silver, 46 miles from this car. Mileage: 19,611 miles. Price: £18,999, £2,001 less than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/mini-convertible-2021-c641a3652b4e
Browse all MINI Convertible cars for sale · 2021 MINI Convertible price guide
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Photos
88 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.