2021 BMW 3 Series 2.0 320i M Sport

Price: £21,199. Fair price: £802 (3%) under the AskCar estimate of £22,001, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,897 priced BMW 3 Series adverts on AskCar as of 5 November 2026.

AskCar lists 7,194 used BMW 3 Series from 2,714 UK dealerships, as of 5 November 2026.

Overview

  • Make: BMW
  • Model: 3 Series
  • Trim: M Sport
  • Version: 2.0 320i M Sport Auto RWD Euro 6 (s/s) 4dr (181 bhp)
  • Year: 2021
  • Mileage: 34,278 miles
  • Fuel: Petrol
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.0 litres, 181 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Grey
  • CO2: 146 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 34,278 miles, this 2021 BMW 3 Series M Sport has covered about 20,600 fewer miles than other 2021 BMW 3 Series cars. Priced at £21,199, it is advertised £802 below the AskCar estimate of £22,001. The AskCar estimate draws on 6,897 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 5 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Motorpoint Oldbury, based in Oldbury. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £802 (3%) under the AskCar estimate of £22,001.

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 6,897 priced BMW 3 Series adverts across different ages and specifications, as of 5 November 2026.

Time on sale

AskCar first saw this 2021 BMW 3 Series advertised 5 days ago. About half of 2021 BMW 3 Series cars are gone from sale within a month of being advertised: 429 of the 907 first advertised between 10 July 2026 and 2 October 2026.

Price history

AskCar first saw this advert on 31 October 2026 at £21,199. 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 5 November 2026: valid until 8 July 2027.

It has had 3 MOTs. The latest, on 7 July 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 33,908 miles, which matches the advertised 34,278 miles.

Advertised mileage is about 20,600 miles lower than the median mileage of a 2021 BMW 3 Series on AskCar.

Similar cars

146 other 2021 BMW 3 Series M Sport 2.0 petrol automatic saloons are for sale at UK dealers, from £14,000 to £26,950, as of 5 November 2026.

The 3 closest to this car in mileage:

  • 2021 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 34,300 miles. Price: £21,250, £51 more than this car. Dealer: S James Prestige in Essendine. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-05fc549b938f
  • 2021 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 34,314 miles. Price: £20,799, £400 less than this car. Dealer: Motorpoint Newport in Newport. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-e96c45f510e7
  • 2021 BMW 3 Series M Sport, 2.0 petrol saloon, grey. Mileage: 34,100 miles. Price: £21,950, £751 more than this car. Dealer: M B Cars London in St Albans. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-507da5e20e47
  • The nearest: 2021 BMW 3 Series M Sport, 2.0 petrol saloon, white, 7 miles from this car. Mileage: 79,890 miles. Price: £16,095, £5,104 less than this car. Dealer: Lookers Car Hub Star City in Birmingham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-0c074ca198f3

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

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Photos

31 photos of this car are on its AskCar page.

As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.