2021 BMW 3 Series 2.0 330e M Sport

Price: £19,995. Fair price: £347 (1%) over the AskCar estimate of £19,648, 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: 50,800 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 50,800 miles, around 4,400 fewer miles than is typical for its age. Its asking price of £19,995 is £347 above the AskCar estimate of £19,648. The AskCar estimate uses UK dealer asking prices, including 6,862 BMW 3 Series adverts, and accounts for the car’s age, mileage and specification. This car was first seen in our listings data today. We checked its advertised mileage against the government's MOT record, and they match. The seller is Arena Cars, based in ASH Vale. 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: £347 (1%) over the AskCar estimate of £19,648.

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 £19,995. 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 21 October 2027.

It has had 5 MOTs. The latest, on 20 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 50,707 miles, which matches the advertised 50,800 miles.

Advertised mileage is about 4,400 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: 50,787 miles. Price: £20,895, £900 more than this car. Dealer: Motor Range Manchester in Manchester. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-ec068611d6ec
  • 2021 BMW 3 Series M Sport, 2.0 plug-in hybrid saloon, grey. Mileage: 50,684 miles. Price: £20,500, £505 more than this car. Dealer: Berry Thames Ditton BMW in Thames Ditton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-1ad0afe5b019
  • 2021 BMW 3 Series M Sport, 2.0 plug-in hybrid saloon, white. Mileage: 51,481 miles. Price: £17,633, £2,362 less than this car. Dealer: Carbase Bristol in Bristol. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-f19f44583c58
  • The nearest: 2021 BMW 3 Series M Sport, 2.0 plug-in hybrid saloon, blue, 10 miles from this car. Mileage: 49,049 miles. Price: £18,999, £996 less than this car. Dealer: cinch Bellevue in Hook. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-d3052fecf0cb

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

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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.