2020 BMW 3 Series 2.0 320d MHT M Sport

Price: £18,795. Fair price: £675 (3%) over the AskCar estimate of £18,120, 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 MHT M Sport Auto RWD Euro 6 (s/s) 4dr (187 bhp)
  • Year: 2020
  • Mileage: 74,000 miles
  • Fuel: Diesel, mild hybrid
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.0 litres, 187 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: White
  • CO2: 129 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 3 Series M Sport is advertised with 74,000 miles on the clock. Its asking price of £18,795 is £675 above the AskCar estimate of £18,120. 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 89 days ago. The advertised mileage is lower than the latest MOT reading of 74,513 miles. Ask the dealer to explain. Its MOT is recorded as valid until 24 April 2027. You can find this car at MC Autosales in Magherafelt. 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: £675 (3%) over the AskCar estimate of £18,120.

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 89 days.

Price history

AskCar first saw this advert on 8 August 2026 at £18,795. 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: valid until 24 April 2027.

It has had 4 MOTs. The latest, on 25 April 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 74,513 miles. The advert says 74,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 14,400 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, black. Mileage: 73,697 miles. Price: £17,990, £805 less than this car. Dealer: Central Car Sales in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-0a720d9f1490
  • 2020 BMW 3 Series M Sport, 2.0 diesel saloon, white. Mileage: 73,339 miles. Price: £16,999, £1,796 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, £1,345 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, blue, under a mile from this car. Mileage: 85,000 miles. Price: £17,895, £900 less than this car. Dealer: MC Autosales in Magherafelt. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-27a3e5d97b03

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

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Photos

12 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.