2021 MINI Convertible 1.5 Cooper Exclusive

Overview

• Make: MINI
• Model: Convertible
• Trim: Cooper Exclusive
• Version: 1.5 Cooper Exclusive Steptronic FWD Euro 6 (s/s) 2dr (134 bhp)
• Year: 2021
• Mileage: 36,189 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 1.5 litres, 134 bhp
• Gearbox: Automatic (Steptronic)
• Drive: Front-wheel drive
• Colour: Black
• CO2: 137 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 36,189 miles, this 2021 MINI Convertible Cooper Exclusive has covered about 10,200 more miles than other 2021 MINI Convertible cars. Its asking price of £15,300 is £871 below the AskCar estimate of £16,171. To work out the AskCar estimate, we analyse UK dealer adverts for 1,035 MINI Convertible cars across different ages and specifications. This car was first seen in our listings data 28 days ago. We checked its advertised mileage against the government's MOT record, and they match. The seller is Car Planet Watford, based in Rickmansworth. 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: £871 (5%) under the AskCar estimate of £16,171.

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 1.5 petrol engine is typically advertised at £16,100: the median of the 34 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2021 MINI Convertible has been on sale for at least 28 days.

Price history

AskCar first saw this advert on 5 October 2026 at £15,200. Its asking price is now £15,300, £100 more.

Price changes recorded:

• 5 October 2026: £15,200
• 19 October 2026: £15,400
• 28 October 2026: £15,300

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 22 June 2027.

It failed its MOT on 19 June 2026 (offside front tyre tread depth below requirements of 1.6mm) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 31,701 miles, which matches the advertised 36,189 miles.

Advertised mileage is about 10,200 miles higher than the median mileage of a 2021 MINI Convertible on AskCar.

Similar cars

8 other 2021 MINI Convertible Cooper Exclusive 1.5 petrol automatic convertibles are for sale at UK dealers, from £16,490 to £18,990, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2021 MINI Convertible Cooper Exclusive, 1.5 petrol convertible, grey. Mileage: 39,636 miles. Price: £16,490, £1,190 more than this car. Dealer: Lloyd South Lakes MINI in Grange-over-Sands. AskCar page: https://askcar.co.uk/car/mini-convertible-2021-f3e4899c75b4
• 2021 MINI Convertible Cooper Exclusive, 1.5 petrol convertible, grey. Mileage: 39,640 miles. Price: £16,490, £1,190 more than this car. Dealer: Lloyd Motor Group in Bedford. AskCar page: https://askcar.co.uk/car/mini-convertible-2021-5bd9577891fe
• 2021 MINI Convertible Cooper Exclusive, 1.5 petrol convertible, blue. Mileage: 27,461 miles. Price: £16,600, £1,300 more than this car. Dealer: Marshall Jaguar Ipswich in Ipswich. AskCar page: https://askcar.co.uk/car/mini-convertible-2021-a940ca71fbdf

• The nearest: 2021 MINI Convertible Cooper Exclusive, 1.5 petrol convertible, black, 8 miles from this car. Mileage: 19,000 miles. Price: £18,499, £3,199 more than this car. Dealer: Cars Of London in London. AskCar page: https://askcar.co.uk/car/mini-convertible-2021-e2a9af39889f