2021 BMW 3 Series 2.0 330e M Sport

Price: £17,929. Fair price: £1,459 (7%) under the AskCar estimate of £19,388, 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 12kWh 330e M Sport Auto 4WD Euro 6 (s/s) 5dr Touring (288 bhp)
  • Year: 2021
  • Mileage: 70,292 miles
  • Fuel: Plug-in hybrid (petrol)
  • Body: Estate, 5 doors, 5 seats
  • Engine: 2.0 litres, 288 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Blue
  • CO2: 37 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 3 Series M Sport has covered 70,292 miles, around 15,100 more miles than is typical for its age. Priced at £17,929, it is advertised £1,459 below the AskCar estimate of £19,388. To work out the AskCar estimate, we analyse UK dealer adverts for 6,902 BMW 3 Series cars across different ages and specifications. The asking price is now £351 lower than when we first recorded the advert 31 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Carsa Bolton, based in Bolton. 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

Fair price: £1,459 (7%) under the AskCar estimate of £19,388.

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 31 days.

Price history

AskCar first saw this advert on 6 October 2026 at £18,280. Its asking price is now £17,929, £351 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

  • 6 October 2026: £18,280
  • 8 October 2026: £18,336
  • 9 October 2026: £18,257
  • 3 November 2026: £18,032
  • 4 November 2026: £17,929

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 27 May 2027.

It failed its MOT on 27 May 2026 (nearside front inner tyre has a bulge, caused by separation or partial failure of its structure inner wall) and passed 1 day later, on 28 May 2026.

Advisories at the latest test: offside front shock absorbers has light misting of oil.

Mileage at that test: 67,322 miles, which matches the advertised 70,292 miles.

Advertised mileage is about 15,100 miles higher than the median mileage of a 2021 BMW 3 Series on AskCar.

Similar cars

61 other 2021 BMW 3 Series M Sport 2.0 plug-in hybrid automatic estates are for sale at UK dealers, from £11,990 to £24,990, as of 6 November 2026.

The 3 closest to this car in mileage:

  • 2021 BMW 3 Series M Sport, 2.0 plug-in hybrid estate, grey. Mileage: 69,935 miles. Price: £19,991, £2,062 more than this car. Dealer: Your Next Car in Nottingham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-8648346da79c
  • 2021 BMW 3 Series M Sport, 2.0 plug-in hybrid estate, blue. Mileage: 71,000 miles. Price: £17,995, £66 more than this car. Dealer: First Class Cars Bury St Edmunds in Bury St Edmunds. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-26460c6b4823
  • 2021 BMW 3 Series M Sport, 2.0 plug-in hybrid estate, white. Mileage: 71,000 miles. Price: £18,495, £566 more than this car. Dealer: JLT Motors in St Helens. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-9898fe46d52a
  • The nearest: 2021 BMW 3 Series M Sport, 2.0 plug-in hybrid estate, white, under a mile from this car. Mileage: 52,856 miles. Price: £21,990, £4,061 more than this car. Dealer: Monaco Motorsports in Bolton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-1be8c49647be

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

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Photos

32 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.