2020 BMW 3 Series 2.0 320d M Sport

Price: £17,990. Fair price: £351 (1%) over the AskCar estimate of £17,639, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,897 priced BMW 3 Series adverts on AskCar as of 5 November 2026.

AskCar lists 7,194 used BMW 3 Series from 2,714 UK dealerships, as of 5 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: 73,697 miles
  • Fuel: Diesel
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.0 litres, 187 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Black
  • CO2: 113 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 3 Series M Sport has covered 73,697 miles, around 14,100 more miles than is typical for its age. Its asking price of £17,990 is £351 above the AskCar estimate of £17,639. The AskCar estimate uses 6,897 UK dealer adverts for the BMW 3 Series, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 161 days ago. Our latest MOT record expired on 22 July 2026. Check the current position with the dealer. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at Central Car Sales in Peterborough. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £351 (1%) over the AskCar estimate of £17,639.

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 6,897 priced BMW 3 Series adverts across different ages and specifications, as of 5 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 5 November 2026.

Time on sale

This 2020 BMW 3 Series has been on sale for at least 161 days.

Price history

AskCar first saw this advert on 28 May 2026 at £17,990. 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 5 November 2026: the latest record we hold ran out on 22 July 2026; ask the dealer for the current MOT.

It failed its MOT on 23 July 2025 (nearside rear tyre tread depth below requirements of 1.6mm; offside rear tyre has a bulge, caused by separation or partial failure of its structure) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 69,281 miles, which matches the advertised 73,697 miles.

Advertised mileage is about 14,100 miles higher than the median mileage of a 2020 BMW 3 Series on AskCar.

Similar cars

66 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 5 November 2026.

The 3 closest to this car in mileage:

  • 2020 BMW 3 Series M Sport, 2.0 diesel saloon, white. Mileage: 74,000 miles. Price: £18,795, £805 more than this car. Dealer: MC Autosales in Magherafelt. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-b7d2948089d7
  • 2020 BMW 3 Series M Sport, 2.0 diesel saloon, white. Mileage: 73,339 miles. Price: £16,999, £991 less than this car. Dealer: Halliwell Jones North Wales BMW in Conwy. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-56051890ce1f
  • 2020 BMW 3 Series M Sport, 2.0 diesel saloon, white. Mileage: 73,000 miles. Price: £17,450, £540 less than this car. Dealer: PMA Cars NI in Newry. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-d8243942851e
  • The nearest: 2020 BMW 3 Series M Sport, 2.0 diesel saloon, black, 4 miles from this car. Mileage: 167,159 miles. Price: £9,990, £8,000 less than this car. Dealer: Auto Zone Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-e30ed357b555

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 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.