2020 BMW X3 2.0 20d MHT M Sport

Price: £20,795. Far below the going rate: £8,442 (28%) under the AskCar estimate of £29,237, our expected asking price for this car from its model, age, mileage and specification, drawing on 3,076 priced BMW X3 adverts on AskCar as of 5 November 2026. Worth asking the dealer why.

AskCar lists 3,143 used BMW X3 from 1,230 UK dealerships, as of 5 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: 10,000 miles
  • Fuel: Diesel, mild hybrid
  • Body: SUV, 5 doors, 5 seats
  • Engine: 2.0 litres, 187 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Black
  • CO2: 157 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW X3 M Sport has covered 10,000 miles. The dealer is asking £20,795, which is £8,442 below the AskCar estimate of £29,237. We recommend confirming the advertised price and vehicle details. The AskCar estimate uses 3,076 UK dealer adverts for the BMW X3, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 36 days ago, and its asking price has since fallen by £500. The last MOT shows 53,708 miles, more than the advert. This is worth checking with the dealer. Our records show an MOT expiry date of 28 September 2026, which has passed. Ask the dealer for an update. You can find this car at National Car Hub in Walsall. 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

Far below the going rate: £8,442 (28%) under the AskCar estimate of £29,237. Worth asking the dealer why.

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 3,076 priced BMW X3 adverts across different ages and specifications, as of 5 November 2026.

A 2020 BMW X3 with the 2.0 diesel engine is typically advertised at £22,200: the median of the 100 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2020 BMW X3 has been on sale for at least 36 days.

Price history

AskCar first saw this advert on 30 September 2026 at £21,295. Its asking price is now £20,795, £500 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

  • 30 September 2026: £21,295
  • 20 October 2026: £20,995
  • 5 November 2026: £20,795

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: the latest record we hold ran out on 28 September 2026; ask the dealer for the current MOT.

It has had 3 MOTs. The latest, on 11 September 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 53,708 miles. The advert says 10,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 42,000 miles lower than the median mileage of a 2020 BMW X3 on AskCar.

Similar cars

69 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 5 November 2026.

The 3 closest to this car in mileage:

  • 2020 BMW X3 M Sport, 2.0 diesel SUV, silver. Mileage: 12,000 miles. Price: £28,275, £7,480 more than this car. Dealer: Stratstone BMW Bury St Edmunds in Bury St Edmunds. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-502af0a4fd2e
  • 2020 BMW X3 M Sport, 2.0 diesel SUV, silver. Mileage: 21,182 miles. Price: £24,930, £4,135 more than this car. Dealer: Big Motoring World Wimbledon in Wimbledon. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-04e931e82c92
  • 2020 BMW X3 M Sport, 2.0 diesel SUV, blue. Mileage: 23,413 miles. Price: £26,995, £6,200 more than this car. Dealer: Ballyrobert Mallusk in Belfast. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-180e28e7c8fe
  • The nearest: 2020 BMW X3 M Sport, 2.0 diesel SUV, white, 7 miles from this car. Mileage: 57,151 miles. Price: £22,500, £1,705 more than this car. Dealer: Sytner Tamworth BMW in Tamworth. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-36183a838710

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

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Photos

31 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.