2020 BMW 3 Series 2.0 320d M Sport

Price: £15,995. Fair price: £60 (under 1%) over the AskCar estimate of £15,935, 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 320d M Sport Auto RWD Euro 6 4dr (187 bhp)
  • Year: 2020
  • Mileage: 87,000 miles
  • Fuel: Diesel
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.0 litres, 187 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: White
  • CO2: 112 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 87,000 miles, this 2020 BMW 3 Series M Sport has covered about 27,000 more miles than other 2020 BMW 3 Series cars. Priced at £15,995, it is advertised £60 above the AskCar estimate of £15,935. The AskCar estimate draws on 6,902 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 53 days ago. Its asking price has since fallen by £500. Our records show an MOT expiry date of 8 October 2026, which has passed. Ask the dealer for an update. The government's MOT record matches its advertised mileage. It is advertised by Junction 6 Motors in Blackburn. 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: £60 (under 1%) over the AskCar estimate of £15,935.

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.

A 2020 BMW 3 Series with the 2.0 diesel engine is typically advertised at £18,500: the median of the 462 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2020 BMW 3 Series has been on sale for at least 53 days.

Price history

AskCar first saw this advert on 14 September 2026 at £16,495. Its asking price is now £15,995, £500 less. The latest price cut was seen on 22 October 2026.

Price changes recorded:

  • 14 September 2026: £16,495
  • 22 October 2026: £15,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: the latest record we hold ran out on 8 October 2026; ask the dealer for the current MOT.

It has had 4 MOTs. The latest, on 9 October 2025, passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge; offside front tyre worn close to legal limit/worn on edge; offside rear tyre worn close to legal limit/worn on edge.

Mileage at that test: 71,128 miles, which matches the advertised 87,000 miles.

Advertised mileage is about 27,000 miles higher than the median mileage of a 2020 BMW 3 Series on AskCar.

Similar cars

68 other 2020 BMW 3 Series M Sport 2.0 diesel automatic saloons are for sale at UK dealers, from £10,290 to £23,977, as of 6 November 2026.

The 3 closest to this car in mileage:

  • 2020 BMW 3 Series M Sport, 2.0 diesel saloon, blue. Mileage: 87,000 miles. Price: £14,995, £1,000 less than this car. Dealer: GB Vehicles in Edgware. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-25daf45424d5
  • 2020 BMW 3 Series M Sport, 2.0 diesel saloon, blue. Mileage: 85,000 miles. Price: £17,895, £1,900 more than this car. Dealer: MC Autosales in Magherafelt. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-27a3e5d97b03
  • 2020 BMW 3 Series M Sport, 2.0 diesel saloon, blue. Mileage: 83,282 miles. Price: £17,500, £1,505 more than this car. Dealer: Your Car Supermarket in Birmingham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-83d1d1bb0ca8
  • The nearest: 2020 BMW 3 Series M Sport, 2.0 diesel saloon, grey, 9 miles from this car. Mileage: 23,633 miles. Price: £22,499, £6,504 more than this car. Dealer: HPL Preston in Preston. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-6d7bed40ff5e

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

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Photos

65 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.