2020 MINI Convertible 2.0 Cooper S Sidewalk Edition

Price: £15,999. Fair price: £987 (5%) under the AskCar estimate of £16,986, 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 Sidewalk Edition
  • Version: 2.0 Cooper S Sidewalk Edition Steptronic FWD Euro 6 (s/s) 2dr (189 bhp)
  • Year: 2020
  • Mileage: 37,662 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: 149 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 MINI Convertible Cooper S Sidewalk Edition is advertised with 37,662 miles, approximately 8,700 above the typical mileage for its age. The AskCar estimate for this car is £16,986. It is priced at £15,999, which is £987 below that estimate. The AskCar estimate draws on 1,035 MINI Convertible adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 158 days ago. Its asking price has since fallen by £1,500. The latest recorded MOT expiry date is 23 May 2026, which has passed. Confirm its status with the dealer. The government's MOT record matches its advertised mileage. You can find this car at Available Car Supermarket - Castle Donington in Castle Donnington. 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: £987 (5%) under the AskCar estimate of £16,986.

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 2020 MINI Convertible with the 2.0 petrol engine is typically advertised at £17,000: the median of the 33 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2020 MINI Convertible has been on sale for at least 158 days.

Price history

AskCar first saw this advert on 28 May 2026 at £17,499. Its asking price is now £15,999, £1,500 less. The latest price cut was seen on 10 October 2026.

Price changes recorded:

  • 28 May 2026: £17,499
  • 23 June 2026: £17,299
  • 17 July 2026: £16,899
  • 31 July 2026: £16,699
  • 15 August 2026: £16,499
  • 12 September 2026: £16,299
  • 10 October 2026: £15,999

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 23 May 2026; ask the dealer for the current MOT.

It has had 3 MOTs. The latest, on 23 May 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 30,024 miles, which matches the advertised 37,662 miles.

Advertised mileage is about 8,700 miles higher than the median mileage of a 2020 MINI Convertible on AskCar.

Similar cars

2 other 2020 MINI Convertible Cooper S Sidewalk Edition 2.0 petrol automatic convertibles are for sale at UK dealers, from £18,688 to £19,590, as of 2 November 2026.

The 2 closest to this car in mileage:

  • 2020 MINI Convertible Cooper S Sidewalk Edition, 2.0 petrol convertible, blue. Mileage: 26,550 miles. Price: £19,590, £3,591 more than this car. Dealer: Stratstone MINI Bury St Edmunds in Bury St Edmunds. AskCar page: https://askcar.co.uk/car/mini-convertible-2020-619774ba77c4
  • 2020 MINI Convertible Cooper S Sidewalk Edition, 2.0 petrol convertible, blue. Mileage: 23,000 miles. Price: £18,688, £2,689 more than this car. Dealer: West Kent Motor Group Online in Sevenoaks. AskCar page: https://askcar.co.uk/car/mini-convertible-2020-496b55110d6a

Browse all MINI Convertible cars for sale · 2020 MINI Convertible price guide

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Photos

42 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.