2021 BMW 3 Series 2.0 320i M Sport

Price: £19,990. Fair price: £570 (2%) over the AskCar estimate of £19,420, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,886 priced BMW 3 Series adverts on AskCar as of 14 November 2026.

AskCar lists 7,157 used BMW 3 Series from 2,692 UK dealerships, as of 14 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: 54,000 miles
  • Fuel: Petrol
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.0 litres, 181 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: White
  • CO2: 146 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2021 BMW 3 Series M Sport is 54,000 miles. Its asking price of £19,990 is £570 above the AskCar estimate of £19,420. The AskCar estimate uses UK dealer asking prices, including 6,886 BMW 3 Series adverts, and accounts for the car’s age, mileage and specification. It first appeared in our advert records 2 days ago. Its advertised mileage matches the government's MOT record. It is for sale at Illyrian Performance in Greenford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 14 November 2026.

How we estimate prices and check cars

Illyrian Performance is rated 5.0 out of 5 on Google.

Price

Fair price: £570 (2%) over the AskCar estimate of £19,420.

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 6,886 priced BMW 3 Series adverts across different ages and specifications, as of 14 November 2026.

Time on sale

AskCar first saw this 2021 BMW 3 Series advertised 2 days ago. About half of 2021 BMW 3 Series cars are gone from sale within a month of being advertised: 457 of the 981 first advertised between 14 July 2026 and 11 October 2026.

Price history

AskCar first saw this advert on 12 November 2026 at £19,990. 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 14 November 2026: valid until 29 September 2027.

It has had 3 MOTs. The latest, on 23 September 2026, passed.

Advisories at the latest test: offside front tyre worn close to legal limit/worn on edge; nearside front inner tyre slightly damaged/cracking or perishing peeling; rear brake disc worn, but not excessively.

Mileage at that test: 53,020 miles, which matches the advertised 54,000 miles.

Advertised mileage is about 200 miles lower than the median mileage of a 2021 BMW 3 Series on AskCar.

Similar cars

149 other 2021 BMW 3 Series M Sport 2.0 petrol automatic saloons are for sale at UK dealers, from £13,750 to £27,298, as of 14 November 2026.

The 3 closest to this car in mileage:

  • 2021 BMW 3 Series M Sport, 2.0 petrol saloon, black. Mileage: 54,437 miles. Price: £20,499, £509 more than this car. Dealer: cinch Bellevue in Hook. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-3a2e12458c14
  • 2021 BMW 3 Series M Sport, 2.0 petrol saloon, blue. Mileage: 53,444 miles. Price: £19,385, £605 less than this car. Dealer: Motor Trust UK Garstang in Preston. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-c8daac2312c2
  • 2021 BMW 3 Series M Sport, 2.0 petrol saloon, black. Mileage: 54,600 miles. Price: £17,495, £2,495 less than this car. Dealer: V12 Sports & Classics Ltd -Worksop in Worksop. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-219749eb81ee
  • The nearest: 2021 BMW 3 Series M Sport, 2.0 petrol saloon, white, 6 miles from this car. Mileage: 34,430 miles. Price: £22,300, £2,310 more than this car. Dealer: Berry Heathrow in Heathrow. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-854c857f1243

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

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Photos

47 photos of this car are on its AskCar page.

As of 14 November 2026, AskCar lists 600,711 cars and vans from 12,770 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.