2020 BMW X3 2.0 20d M Sport

Price: £24,995. Above the going rate: £2,751 (12%) over the AskCar estimate of £22,244, 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.

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 xDrive20d M Sport Auto 4WD Euro 6 5dr (187 bhp)
  • Year: 2020
  • Mileage: 55,012 miles
  • Fuel: Diesel
  • Body: SUV, 5 doors, 5 seats
  • Engine: 2.0 litres, 187 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: White
  • CO2: 133 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW X3 M Sport is advertised with 55,012 miles, approximately 3,000 above the typical mileage for its age. Priced at £24,995, it is advertised £2,751 above the AskCar estimate of £22,244. 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 saw this car advertised 31 days ago. Its asking price has since fallen by £1,005. The government's MOT record matches its advertised mileage. It is advertised by Sytner Tring BMW in COW Roast. 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

Above the going rate: £2,751 (12%) over the AskCar estimate of £22,244.

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 31 days.

Price history

AskCar first saw this advert on 5 October 2026 at £26,000. Its asking price is now £24,995, £1,005 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

  • 5 October 2026: £26,000
  • 4 November 2026: £24,995

Mileage and MOT

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

It has had 5 MOTs. The latest, on 20 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 51,924 miles, which matches the advertised 55,012 miles.

Advertised mileage is about 3,000 miles higher 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, black. Mileage: 54,000 miles. Price: £24,995, the same price as this car. Dealer: Signature Car Specialists in Burnley. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-c308217af146
  • 2020 BMW X3 M Sport, 2.0 diesel SUV, blue. Mileage: 53,293 miles. Price: £21,250, £3,745 less than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-628fcf27e3c4
  • 2020 BMW X3 M Sport, 2.0 diesel SUV, grey. Mileage: 53,000 miles. Price: £21,985, £3,010 less than this car. Dealer: Lonsdale in Basingstoke. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-5f2573acf1a7
  • The nearest: 2020 BMW X3 M Sport, 2.0 diesel SUV, blue, 12 miles from this car. Mileage: 95,000 miles. Price: £18,200, £6,795 less than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-29105905dd1c

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

More like this

Photos

22 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.