2021 BMW 3 Series 2.0 320d MHT M Sport

Price: £16,495. Above the going rate: £1,374 (9%) over the AskCar estimate of £15,121, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,902 priced BMW 3 Series adverts on AskCar as of 6 November 2026.

AskCar lists 7,204 used BMW 3 Series from 2,726 UK dealerships, as of 6 November 2026.

Overview

  • Make: BMW
  • Model: 3 Series
  • Trim: M Sport
  • Version: 2.0 320d MHT M Sport Auto RWD Euro 6 (s/s) 4dr (187 bhp)
  • Year: 2021
  • Mileage: 101,229 miles
  • Fuel: Diesel, mild hybrid
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.0 litres, 187 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Blue
  • CO2: 129 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 3 Series M Sport is advertised with 101,229 miles, approximately 46,100 above the typical mileage for its age. Its asking price of £16,495 is £1,374 above the AskCar estimate of £15,121. The AskCar estimate uses UK dealer asking prices, including 6,902 BMW 3 Series adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 68 days ago, the asking price has dropped by £1,000. The latest recorded MOT expiry date is 30 September 2026, which has passed. Confirm its status with the dealer. Its advertised mileage matches the government's MOT record. It is advertised by Car Bazaar in Sheffield. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £1,374 (9%) over the AskCar estimate of £15,121.

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 6,902 priced BMW 3 Series adverts across different ages and specifications, as of 6 November 2026.

Time on sale

This 2021 BMW 3 Series has been on sale for at least 68 days.

Price history

AskCar first saw this advert on 30 August 2026 at £17,495. Its asking price is now £16,495, £1,000 less. The latest price cut was seen on 19 October 2026.

Price changes recorded:

  • 30 August 2026: £17,495
  • 10 October 2026: £16,995
  • 19 October 2026: £16,495

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: the latest record we hold ran out on 30 September 2026; ask the dealer for the current MOT.

It has had 3 MOTs. The latest, on 1 October 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 94,854 miles, which matches the advertised 101,229 miles.

Advertised mileage is about 46,100 miles higher than the median mileage of a 2021 BMW 3 Series on AskCar.

Similar cars

59 other 2021 BMW 3 Series M Sport 2.0 diesel automatic saloons are for sale at UK dealers, from £12,700 to £25,995, as of 6 November 2026.

The 3 closest to this car in mileage:

  • 2021 BMW 3 Series M Sport, 2.0 diesel saloon, white. Mileage: 102,000 miles. Price: £16,795, £300 more than this car. Dealer: Car Mart in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-82f2a829ac18
  • 2021 BMW 3 Series M Sport, 2.0 diesel saloon, white. Mileage: 99,850 miles. Price: £15,995, £500 less than this car. Dealer: Ideal Car Centre in Bilston. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-3f057f0f212d
  • 2021 BMW 3 Series M Sport, 2.0 diesel saloon, black. Mileage: 95,320 miles. Price: £15,395, £1,100 less than this car. Dealer: V12 Sports & Classics Ltd - Hinckley in Hinckley. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-3942132ae7ed
  • The nearest: 2021 BMW 3 Series M Sport, 2.0 diesel saloon, grey, 22 miles from this car. Mileage: 52,000 miles. Price: £23,495, £7,000 more than this car. Dealer: Shaks Specialist Cars in Huddersfield. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-2ef2a02e8fb0

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

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Photos

65 photos of this car are on its AskCar page.

As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.