2021 BMW 3 Series 2.0 330e M Sport

Price: £20,490. Fair price: £811 (3%) under the AskCar estimate of £21,301, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,862 priced BMW 3 Series adverts on AskCar as of 4 November 2026.

AskCar lists 7,147 used BMW 3 Series from 2,707 UK dealerships, as of 4 November 2026.

Overview

  • Make: BMW
  • Model: 3 Series
  • Trim: M Sport
  • Version: 2.0 12kWh 330e M Sport Auto RWD Euro 6 (s/s) 4dr (288 bhp)
  • Year: 2021
  • Mileage: 37,246 miles
  • Fuel: Plug-in hybrid (petrol)
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.0 litres, 288 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Blue
  • CO2: 31 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 3 Series M Sport has covered 37,246 miles, around 17,900 fewer miles than is typical for its age. The dealer is asking £20,490, which is £811 below the AskCar estimate of £21,301. To work out the AskCar estimate, we analyse UK dealer adverts for 6,862 BMW 3 Series cars across different ages and specifications. We have tracked this advert today. Its advertised mileage matches the government's MOT record. The seller is Motor Match Crewe, based in Crewe. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £811 (3%) under the AskCar estimate of £21,301.

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 6,862 priced BMW 3 Series adverts across different ages and specifications, as of 4 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: 418 of the 887 first advertised between 10 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 4 November 2026 at £20,490. 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 4 November 2026: valid until 15 June 2027.

It has had 3 MOTs. The latest, on 2 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 33,635 miles, which matches the advertised 37,246 miles.

Advertised mileage is about 17,900 miles lower than the median mileage of a 2021 BMW 3 Series on AskCar.

Similar cars

84 other 2021 BMW 3 Series M Sport 2.0 plug-in hybrid automatic saloons are for sale at UK dealers, from £10,499 to £24,995, as of 4 November 2026.

The 3 closest to this car in mileage:

  • 2021 BMW 3 Series M Sport, 2.0 plug-in hybrid saloon, blue. Mileage: 37,000 miles. Price: £20,490, the same price as this car. Dealer: Dick Lovett in Potters Bar. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-47eed72704cc
  • 2021 BMW 3 Series M Sport, 2.0 plug-in hybrid saloon, grey. Mileage: 36,096 miles. Price: £20,999, £509 more than this car. Dealer: Halliwell Jones Chester BMW in Chester. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-c627b3162a53
  • 2021 BMW 3 Series M Sport, 2.0 plug-in hybrid saloon, grey. Mileage: 38,400 miles. Price: £19,989, £501 less than this car. Dealer: A6 Motors in Luton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-08fcadf1eda6
  • The nearest: 2021 BMW 3 Series M Sport, 2.0 plug-in hybrid saloon, black, 11 miles from this car. Mileage: 89,801 miles. Price: £15,995, £4,495 less than this car. Dealer: Penkhull Vehicles Sales in Stoke-on-Trent. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-7dd89e2f4fa9

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

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Photos

40 photos of this car are on its AskCar page.

As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.