2021 BMW 3 Series 2.0 M Sport

Price: £22,495. Fair price: £1,336 (5%) under the AskCar estimate of £23,831, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,905 priced BMW 3 Series adverts on AskCar as of 11 November 2026.

AskCar lists 7,158 used BMW 3 Series from 2,706 UK dealerships, as of 11 November 2026.

Overview

  • Make: BMW
  • Model: 3 Series
  • Trim: M Sport
  • Version: 2.0 MHT M Sport Auto Euro 6 4dr
  • Year: 2021
  • Mileage: 32,017 miles
  • Fuel: Diesel, mild hybrid
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.0 litres
  • Gearbox: Automatic
  • Colour: Grey
  • CO2: 124 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 3 Series M Sport is advertised with 32,017 miles, approximately 22,700 below the typical mileage for its age. Its asking price of £22,495 is £1,336 below the AskCar estimate of £23,831. The AskCar estimate draws on 6,905 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data today. Its advertised mileage matches the government's MOT record. The seller is Hedin Automotive Woolwich BMW, based in London. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 11 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,336 (5%) under the AskCar estimate of £23,831.

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 6,905 priced BMW 3 Series adverts across different ages and specifications, as of 11 November 2026.

Time on sale

AskCar first saw this 2021 BMW 3 Series advertised today. About half of 2021 BMW 3 Series cars are gone from sale within a month of being advertised: 461 of the 976 first advertised between 11 July 2026 and 8 October 2026.

Price history

AskCar first saw this advert on 11 November 2026 at £22,495. 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 11 November 2026: valid until 29 March 2027.

It has had 3 MOTs. The latest, on 26 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 29,523 miles, which matches the advertised 32,017 miles.

Advertised mileage is about 22,700 miles lower than the median mileage of a 2021 BMW 3 Series on AskCar.

Similar cars

61 other 2021 BMW 3 Series M Sport 2.0 diesel automatic saloons are for sale at UK dealers, from £12,699 to £25,495, as of 11 November 2026.

The 3 closest to this car in mileage:

  • 2021 BMW 3 Series M Sport, 2.0 diesel saloon, grey. Mileage: 34,223 miles. Price: £21,999, £496 less than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-94d29b8fef5b
  • 2021 BMW 3 Series M Sport, 2.0 diesel saloon, grey. Mileage: 36,233 miles. Price: £20,995, £1,500 less than this car. Dealer: TF Car Centre in Euxton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-dbfa2cd553ed
  • 2021 BMW 3 Series M Sport, 2.0 diesel saloon, white. Mileage: 36,844 miles. Price: £23,390, £895 more than this car. Dealer: Marshall BMW Grimsby in Grimsby. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-bcef8fef470f
  • The nearest: 2021 BMW 3 Series M Sport, 2.0 diesel saloon, white, 7 miles from this car. Mileage: 46,653 miles. Price: £18,288, £4,207 less than this car. Dealer: The Car Traders London in Romford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-4b6251382427

Browse all BMW 3 Series cars for sale · 2021 BMW 3 Series price guide

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Photos

4 photos of this car are on its AskCar page.

As of 11 November 2026, AskCar lists 593,449 cars and vans from 12,847 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.