2020 BMW 3 Series 2.0 320d M Sport

Price: £14,800. Fair price: £214 (1%) under the AskCar estimate of £15,014, 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 320d M Sport Auto RWD Euro 6 4dr (187 bhp)
  • Year: 2020
  • Mileage: 94,893 miles
  • Fuel: Diesel
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.0 litres, 187 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Grey
  • CO2: 137 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 3 Series M Sport is advertised with 94,893 miles, approximately 35,200 above the typical mileage for its age. Its asking price of £14,800 is £214 below the AskCar estimate of £15,014. The AskCar estimate uses 6,862 UK dealer adverts for the BMW 3 Series, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 42 days ago, the asking price has dropped by £450. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at Autoever in Oldham. 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: £214 (1%) under the AskCar estimate of £15,014.

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 diesel 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 42 days.

Price history

AskCar first saw this advert on 23 September 2026 at £15,250. Its asking price is now £14,800, £450 less. The latest price cut was seen on 13 October 2026.

Price changes recorded:

  • 23 September 2026: £15,250
  • 8 October 2026: £14,950
  • 13 October 2026: £14,800

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 7 May 2027.

It has had 5 MOTs. The latest, on 8 May 2026, passed.

Advisories at the latest test: offside rear nail in tyre; windscreen damaged but not adversely affecting driver's view stone chip.

Mileage at that test: 93,290 miles, which matches the advertised 94,893 miles.

Advertised mileage is about 35,200 miles higher than the median mileage of a 2020 BMW 3 Series on AskCar.

Similar cars

65 other 2020 BMW 3 Series M Sport 2.0 diesel automatic saloons are for sale at UK dealers, from £9,990 to £23,977, as of 4 November 2026.

The 3 closest to this car in mileage:

  • 2020 BMW 3 Series M Sport, 2.0 diesel saloon, grey. Mileage: 97,000 miles. Price: £15,995, £1,195 more than this car. Dealer: Eminent Motor Group in Oldham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-49c99c472d9e
  • 2020 BMW 3 Series M Sport, 2.0 diesel saloon, orange. Mileage: 92,190 miles. Price: £15,000, £200 more than this car. Dealer: Praters in Leighton Buzzard. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-79273c9b2681
  • 2020 BMW 3 Series M Sport, 2.0 diesel saloon, blue. Mileage: 100,000 miles. Price: £15,999, £1,199 more than this car. Dealer: Rix Motors in Warrington. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-93d3ced41f45
  • The nearest: 2020 BMW 3 Series M Sport, 2.0 diesel saloon, white, 2 miles from this car. Mileage: 102,847 miles. Price: £14,195, £605 less than this car. Dealer: Blackline Motors in Oldham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-289c89f80099

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

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Photos

60 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.