2020 BMW X3 2.0 20d M Sport

Price: £23,949. Fair price: £1,565 (6%) under the AskCar estimate of £25,514, 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 xDrive20d M Sport Auto 4WD Euro 6 5dr (187 bhp)
  • Year: 2020
  • Mileage: 28,528 miles
  • Fuel: Diesel
  • Body: SUV, 5 doors, 5 seats
  • Engine: 2.0 litres, 187 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Black
  • CO2: 166 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 28,528 miles on the clock, this 2020 BMW X3 M Sport has done roughly 23,100 fewer miles than a typical 2020 BMW X3. The AskCar estimate for this car is £25,514. It is priced at £23,949, which is £1,565 below that estimate. 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 62 days, and its asking price has been cut by £3,200. We checked its advertised mileage against the government's MOT record, and they match. The seller is Motorpoint Coventry, based in Coventry. 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

Fair price: £1,565 (6%) under the AskCar estimate of £25,514.

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 62 days, and its asking price has been cut by £3,200. 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 3 September 2026 at £27,149. Its asking price is now £23,949, £3,200 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

  • 3 September 2026: £27,149
  • 5 September 2026: £25,749
  • 12 September 2026: £25,599
  • 15 September 2026: £25,449
  • 13 October 2026: £24,899
  • 20 October 2026: £24,549
  • 27 October 2026: £24,299
  • 3 November 2026: £23,949

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 6 October 2027.

It has had 6 MOTs. The latest, on 7 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 28,535 miles, which matches the advertised 28,528 miles.

Advertised mileage is about 23,100 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: 28,200 miles. Price: £28,295, £4,346 more than this car. Dealer: Signature Car Specialists in Burnley. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-40b600c02e60
  • 2020 BMW X3 M Sport, 2.0 diesel SUV, grey. Mileage: 26,020 miles. Price: £24,010, £61 more than this car. Dealer: Big Motoring World Camberley in Camberley. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-0780cc3d78ea
  • 2020 BMW X3 M Sport, 2.0 diesel SUV, grey. Mileage: 33,000 miles. Price: £22,499, £1,450 less than this car. Dealer: Hendy Car Store in Exeter. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-3e4917e12109
  • The nearest: 2020 BMW X3 M Sport, 2.0 diesel SUV, black, 8 miles from this car. Mileage: 94,970 miles. Price: £16,895, £7,054 less than this car. Dealer: V12 Sports & Classics Ltd - Hinckley in Hinckley. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-48829855deac

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

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Photos

62 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.