2020 BMW 3 Series 2.0 320d MHT M Sport

Price: £20,995. Fair price: £1,714 (7%) under the AskCar estimate of £22,709, 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) 5dr Touring (187 bhp)
  • Year: 2020
  • Mileage: 47,579 miles
  • Fuel: Diesel, mild hybrid
  • Body: Estate, 5 doors, 5 seats
  • Engine: 2.0 litres, 187 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: White
  • CO2: 134 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 47,579 miles, this 2020 BMW 3 Series M Sport has covered about 12,000 fewer miles than other 2020 BMW 3 Series cars. The dealer is asking £20,995, which is £1,714 below the AskCar estimate of £22,709. To work out the AskCar estimate, we analyse UK dealer adverts for 6,897 BMW 3 Series cars across different ages and specifications. We first saw this car advertised 112 days ago. Its asking price has since fallen by £1,400. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sycamore Stamford, based in Stamford. 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: £1,714 (7%) under the AskCar estimate of £22,709.

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 112 days.

Price history

AskCar first saw this advert on 16 July 2026 at £22,395. Its asking price is now £20,995, £1,400 less. The latest price cut was seen on 6 October 2026.

Price changes recorded:

  • 17 July 2026: £22,395
  • 13 August 2026: £21,995
  • 9 September 2026: £21,795
  • 6 October 2026: £19,995
  • 13 October 2026: £20,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 9 January 2027.

It has had 5 MOTs. The latest, on 20 December 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 44,050 miles, which matches the advertised 47,579 miles.

Advertised mileage is about 12,000 miles lower 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 5 November 2026.

The 3 closest to this car in mileage:

  • 2020 BMW 3 Series M Sport, 2.0 diesel estate, black. Mileage: 47,350 miles. Price: £22,495, £1,500 more than this car. Dealer: Bourne Valley Autos in Andover. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-848449c42792
  • 2020 BMW 3 Series M Sport, 2.0 diesel estate, white. Mileage: 48,672 miles. Price: £20,490, £505 less than this car. Dealer: John Clark SEAT Aberdeen in Aberdeen. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-2465c729977f
  • 2020 BMW 3 Series M Sport, 2.0 diesel estate, white. Mileage: 48,676 miles. Price: £22,304, £1,309 more than this car. Dealer: Stoneacre Halifax Omoda/Jaecoo in Halifax. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-1861621a3a3d
  • The nearest: 2020 BMW 3 Series M Sport, 2.0 diesel estate, blue, 10 miles from this car. Mileage: 45,526 miles. Price: £21,790, £795 more than this car. Dealer: West Brook Car Sales in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-6222d2ae70a3

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

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Photos

34 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.