2020 BMW X3 2.0 20d MHT M Sport

Price: £24,930. Good value: £2,915 (10%) under the AskCar estimate of £27,845, our expected asking price for this car from its model, age, mileage and specification, drawing on 3,034 priced BMW X3 adverts on AskCar as of 4 November 2026.

AskCar lists 3,115 used BMW X3 from 1,212 UK dealerships, as of 4 November 2026.

Overview

  • Make: BMW
  • Model: X3
  • Trim: M Sport
  • Version: 2.0 20d MHT M Sport Auto 4WD Euro 6 (s/s) 5dr (187 bhp)
  • Year: 2020
  • Mileage: 21,182 miles
  • Fuel: Diesel, mild hybrid
  • Body: SUV, 5 doors, 5 seats
  • Engine: 2.0 litres, 187 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Silver
  • CO2: 157 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 21,182 miles on the clock, this 2020 BMW X3 M Sport has done roughly 30,500 fewer miles than a typical 2020 BMW X3. Its asking price of £24,930 is £2,915 below the AskCar estimate of £27,845. To work out the AskCar estimate, we analyse UK dealer adverts for 3,034 BMW X3 cars across different ages and specifications. The dealer may accept less. This car has been on sale for at least 69 days, and its asking price is down £2,220. We checked its advertised mileage against the government's MOT record, and they match. It is for sale at Big Motoring World Wimbledon in Tooting. 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

Good value: £2,915 (10%) under the AskCar estimate of £27,845.

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 3,034 priced BMW X3 adverts across different ages and specifications, as of 4 November 2026.

A 2020 BMW X3 with the 2.0 diesel engine is typically advertised at £22,300: the median of the 98 for sale on AskCar, as of 4 November 2026.

Time on sale

The dealer may accept less. This 2020 BMW X3 has been on sale for at least 69 days, and its asking price has been cut by £2,220. About 6 in 10 of 2020 BMW X3 cars are gone from sale within a month of being advertised: 130 of the 235 first advertised between 11 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 27 August 2026 at £27,150. Its asking price is now £24,930, £2,220 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

  • 27 August 2026: £27,150
  • 28 August 2026: £27,160
  • 29 August 2026: £26,570
  • 1 September 2026: £27,510
  • 8 September 2026: £27,010
  • 10 September 2026: £26,630
  • 17 September 2026: £26,170
  • 22 September 2026: £26,500
  • 26 September 2026: £26,290
  • 1 October 2026: £26,520
  • 6 October 2026: £26,050
  • 7 October 2026: £26,010
  • 13 October 2026: £25,660
  • 14 October 2026: £24,930
  • 16 October 2026: £25,540
  • 17 October 2026: £25,470
  • 19 October 2026: £25,480
  • 24 October 2026: £25,230
  • 28 October 2026: £25,060
  • 3 November 2026: £24,930

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 12 May 2027.

It has had 4 MOTs. The latest, on 13 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 20,739 miles, which matches the advertised 21,182 miles.

Advertised mileage is about 30,500 miles lower than the median mileage of a 2020 BMW X3 on AskCar.

Similar cars

66 other 2020 BMW X3 M Sport 2.0 diesel automatic SUVs are for sale at UK dealers, from £16,499 to £28,295, as of 4 November 2026.

The 3 closest to this car in mileage:

  • 2020 BMW X3 M Sport, 2.0 diesel SUV, blue. Mileage: 23,413 miles. Price: £26,995, £2,065 more than this car. Dealer: Ballyrobert Mallusk in Belfast. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-180e28e7c8fe
  • 2020 BMW X3 M Sport, 2.0 diesel SUV, blue. Mileage: 23,413 miles. Price: £26,995, £2,065 more than this car. Dealer: Ballyrobert Mallusk in Belfast. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-ed286d59887d
  • 2020 BMW X3 M Sport, 2.0 diesel SUV, grey. Mileage: 26,020 miles. Price: £24,010, £920 less than this car. Dealer: Big Motoring World Camberley in Camberley. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-0780cc3d78ea
  • The nearest: 2020 BMW X3 M Sport, 2.0 diesel SUV, black, 12 miles from this car. Mileage: 49,260 miles. Price: £24,250, £680 less than this car. Dealer: Merc Autobarn in Hayes. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-b10c22a3f053

Browse all BMW X3 cars for sale · 2020 BMW X3 price guide

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Photos

26 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.