2020 BMW 3 Series 2.0 320i M Sport

Price: £21,499. Fair price: £183 (under 1%) under the AskCar estimate of £21,682, 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 320i M Sport Auto 4WD Euro 6 4dr (181 bhp)
  • Year: 2020
  • Mileage: 37,720 miles
  • Fuel: Petrol
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.0 litres, 181 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Grey
  • CO2: 154 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 37,720 miles, this 2020 BMW 3 Series M Sport has covered about 22,000 fewer miles than other 2020 BMW 3 Series cars. The dealer is asking £21,499, which is £183 below the AskCar estimate of £21,682. To work out the AskCar estimate, we analyse UK dealer adverts for 6,862 BMW 3 Series cars across different ages and specifications. The asking price is now £600 lower than when we first recorded the advert 5 days ago. Its advertised mileage matches the government's MOT record. The seller is Fords Of Winsford Car Supermarket, based in Winsford. 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: £183 (under 1%) under the AskCar estimate of £21,682.

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

AskCar first saw this 2020 BMW 3 Series advertised 5 days ago. About half of 2020 BMW 3 Series cars are gone from sale within a month of being advertised: 330 of the 691 first advertised between 7 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 30 October 2026 at £22,099. Its asking price is now £21,499, £600 less. The latest price cut was seen on 2 November 2026.

Price changes recorded:

  • 30 October 2026: £22,099
  • 31 October 2026: £21,499
  • 1 November 2026: £21,699
  • 2 November 2026: £21,499

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 10 June 2027.

It has had 4 MOTs. The latest, on 11 June 2026, passed.

Advisories at the latest test: nearside front lower suspension arm ball joint has slight play track control arm (straight arm).

Mileage at that test: 34,687 miles, which matches the advertised 37,720 miles.

Advertised mileage is about 22,000 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: 37,165 miles. Price: £20,199, £1,300 less than this car. Dealer: Gates Of Woodford in Woodford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-fc325c86d597
  • 2020 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 38,342 miles. Price: £21,250, £249 less than this car. Dealer: M B Cars London in St Albans. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-822491a7ca58
  • 2020 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 37,072 miles. Price: £21,250, £249 less than this car. Dealer: John Clark BMW Tayside in Dundee. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-b1dac46dec34
  • The nearest: 2020 BMW 3 Series M Sport, 2.0 petrol saloon, black, 17 miles from this car. Mileage: 44,000 miles. Price: £22,000, £501 more than this car. Dealer: Mylson Stoke in Newcastle-under-Lyme. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-591857bf7aa3

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

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Photos

38 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.