2020 BMW 3 Series 2.0 320d MHT M Sport Plus Edition

Price: £15,495. Fair price: £988 (6%) over the AskCar estimate of £14,507, 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 Plus Edition
  • Version: 2.0 320d MHT M Sport Plus Edition Auto RWD Euro 6 (s/s) 4dr (187 bhp)
  • Year: 2020
  • Mileage: 105,000 miles
  • Fuel: Diesel, mild hybrid
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.0 litres, 187 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • CO2: 129 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 3 Series M Sport Plus Edition is advertised with 105,000 miles, approximately 45,400 above the typical mileage for its age. The dealer is asking £15,495, which is £988 above the AskCar estimate of £14,507. To work out the AskCar estimate, we analyse UK dealer adverts for 6,897 BMW 3 Series cars across different ages and specifications. The asking price is now £2,000 lower than when we first recorded the advert 114 days ago. It is advertised by Car Outlet in Burnley. 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: £988 (6%) over the AskCar estimate of £14,507.

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 114 days.

Price history

AskCar first saw this advert on 14 July 2026 at £17,495. Its asking price is now £15,495, £2,000 less. The latest price cut was seen on 8 October 2026.

Price changes recorded:

  • 14 July 2026: £17,495
  • 16 July 2026: £16,995
  • 24 August 2026: £16,495
  • 16 September 2026: £15,995
  • 8 October 2026: £15,495

Mileage and MOT

Advertised mileage is about 45,400 miles higher than the median mileage of a 2020 BMW 3 Series on AskCar.

Similar cars

6 other 2020 BMW 3 Series M Sport Plus Edition 2.0 diesel automatic saloons are for sale at UK dealers, from £16,995 to £25,975, as of 5 November 2026.

The 3 closest to this car in mileage:

  • 2020 BMW 3 Series M Sport Plus Edition, 2.0 diesel saloon, grey. Mileage: 90,051 miles. Price: £16,995, £1,500 more than this car. Dealer: Shop For Cars in Luton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-2310402e84aa
  • 2020 BMW 3 Series M Sport Plus Edition, 2.0 diesel saloon, blue. Mileage: 77,400 miles. Price: £18,590, £3,095 more than this car. Dealer: Kennington Car Sales in Bletchley. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-865cd2e8909f
  • 2020 BMW 3 Series M Sport Plus Edition, 2.0 diesel saloon, grey. Mileage: 76,000 miles. Price: £19,750, £4,255 more than this car. Dealer: Warwickshire Car & Van Company in Coventry. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-a15ab6cf9ce2
  • The nearest: 2020 BMW 3 Series M Sport Plus Edition, 2.0 diesel saloon, grey, 32 miles from this car. Mileage: 19,000 miles. Price: £25,975, £10,480 more than this car. Dealer: Cottrell Motor Co in Warrington. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-0a68128dca0b

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

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Photos

56 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.