2020 BMW 3 Series 2.0 320d MHT M Sport

Price: £20,998. Above the going rate: £2,397 (12%) over the AskCar estimate of £18,601, 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 MHT M Sport Auto RWD Euro 6 5dr (187 bhp)
  • Year: 2020
  • Mileage: 71,898 miles
  • Fuel: Diesel, mild hybrid
  • Body: Estate, 5 doors, 5 seats
  • Engine: 2.0 litres, 187 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Black
  • CO2: 128 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 71,898 miles on the clock, this 2020 BMW 3 Series M Sport has done roughly 12,200 more miles than a typical 2020 BMW 3 Series. The AskCar estimate for this car is £18,601. It is priced at £20,998, which is £2,397 above that estimate. The AskCar estimate uses UK dealer asking prices, including 6,862 BMW 3 Series adverts, and accounts for the car’s age, mileage and specification. It first appeared in our advert records 35 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Arnold Clark Stirling Vauxhall, based in Stirling. 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

Above the going rate: £2,397 (12%) over the AskCar estimate of £18,601.

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 35 days.

Price history

AskCar first saw this advert on 30 September 2026 at £20,998. 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 4 November 2026: valid until 3 June 2027.

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

There were no advisories at the latest test.

Mileage at that test: 68,554 miles, which matches the advertised 71,898 miles.

Advertised mileage is about 12,200 miles higher than the median mileage of a 2020 BMW 3 Series on AskCar.

Similar cars

37 other 2020 BMW 3 Series M Sport 2.0 diesel automatic estates are for sale at UK dealers, from £11,800 to £24,999, as of 4 November 2026.

The 3 closest to this car in mileage:

  • 2020 BMW 3 Series M Sport, 2.0 diesel estate, grey. Mileage: 71,299 miles. Price: £18,495, £2,503 less than this car. Dealer: Angus Mackinnon in Uttoxeter. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-3e09a54fbdb4
  • 2020 BMW 3 Series M Sport, 2.0 diesel estate, white. Mileage: 69,840 miles. Price: £19,995, £1,003 less than this car. Dealer: Dales Select in Kelbrook. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-a5b5d344d6e4
  • 2020 BMW 3 Series M Sport, 2.0 diesel estate, black. Mileage: 76,358 miles. Price: £16,595, £4,403 less than this car. Dealer: Cargem in Rainham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-07bbc92b8453
  • The nearest: 2020 BMW 3 Series M Sport, 2.0 diesel estate, black, 22 miles from this car. Mileage: 49,781 miles. Price: £22,498, £1,500 more than this car. Dealer: Arnold Clark Glasgow South Street Vauxhall Peugeot Citroen Ds Mazda Vanstorelepas in Glasgow. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-09e02f6bd5d5

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

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Photos

20 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.