2020 BMW 3 Series 2.0 330i M Sport

Price: £21,840. Fair price: £665 (2%) under the AskCar estimate of £22,505, 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 330i M Sport Auto RWD Euro 6 (s/s) 4dr (254 bhp)
  • Year: 2020
  • Mileage: 46,293 miles
  • Fuel: Petrol
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.0 litres, 254 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Grey
  • CO2: 134 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 46,293 miles on the clock, this 2020 BMW 3 Series M Sport has done roughly 13,400 fewer miles than a typical 2020 BMW 3 Series. Its asking price of £21,840 is £665 below the AskCar estimate of £22,505. To work out the AskCar estimate, we analyse UK dealer adverts for 6,862 BMW 3 Series cars across different ages and specifications. Since we first spotted the advert 35 days ago, the asking price has dropped by £1,115. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Hippo Approved in Blackburn. 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: £665 (2%) under the AskCar estimate of £22,505.

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.

A 2020 BMW 3 Series with the 2.0 petrol engine is typically advertised at £18,500: the median of the 461 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2020 BMW 3 Series has been on sale for at least 35 days.

Price history

AskCar first saw this advert on 30 September 2026 at £22,955. Its asking price is now £21,840, £1,115 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

  • 30 September 2026: £22,955
  • 9 October 2026: £21,920
  • 17 October 2026: £22,220
  • 23 October 2026: £22,140
  • 24 October 2026: £22,120
  • 3 November 2026: £21,840

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 March 2027.

It has had 4 MOTs. The latest, on 21 March 2026, passed.

Advisories at the latest test: windscreen damaged but not adversely affecting driver's view chip in swept area.

Mileage at that test: 44,251 miles, which matches the advertised 46,293 miles.

Advertised mileage is about 13,400 miles lower than the median mileage of a 2020 BMW 3 Series on AskCar.

Similar cars

101 other 2020 BMW 3 Series M Sport 2.0 petrol automatic saloons are for sale at UK dealers, from £12,999 to £25,995, as of 4 November 2026.

The 3 closest to this car in mileage:

  • 2020 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 46,691 miles. Price: £20,510, £1,330 less than this car. Dealer: Evans Halshaw BYD Mansfield in Mansfield. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-f6ffaa36f31d
  • 2020 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 45,718 miles. Price: £18,349, £3,491 less than this car. Dealer: Motorpoint Glasgow in Glasgow. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-c58c87d7d0cd
  • 2020 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 47,025 miles. Price: £19,849, £1,991 less than this car. Dealer: Motorpoint Manchester in Manchester. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-5c32893795bd
  • The nearest: 2020 BMW 3 Series M Sport, 2.0 petrol saloon, blue, under a mile from this car. Mileage: 55,520 miles. Price: £19,240, £2,600 less than this car. Dealer: Hippo Approved in Blackburn. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-f8344db37152

Browse all BMW 3 Series cars for sale · 2020 BMW 3 Series price guide

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Photos

47 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.