2020 BMW X3 3.0 30d M Sport

Price: £29,400. Fair price: £293 (1%) over the AskCar estimate of £29,107, 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: 3.0 30d M Sport Auto 4WD Euro 6 (s/s) 5dr (261 bhp)
  • Year: 2020
  • Mileage: 32,314 miles
  • Fuel: Diesel
  • Body: SUV, 5 doors, 5 seats
  • Engine: 3.0 litres, 261 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Grey
  • CO2: 157 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 32,314 miles on the clock, this 2020 BMW X3 M Sport has done roughly 19,700 fewer miles than a typical 2020 BMW X3. Priced at £29,400, it is advertised £293 above the AskCar estimate of £29,107. To work out the AskCar estimate, we analyse UK dealer adverts for 3,076 BMW X3 cars across different ages and specifications. We first recorded this advert 20 days ago, and its asking price has since fallen by £1,200. Its advertised mileage matches the government's MOT record. The seller is John Clark BMW Aberdeen, based in Aberdeen. 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: £293 (1%) over the AskCar estimate of £29,107.

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 3.0 diesel engine is typically advertised at £30,500: the median of the 31 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2020 BMW X3 has been on sale for at least 20 days.

Price history

AskCar first saw this advert on 16 October 2026 at £30,600. Its asking price is now £29,400, £1,200 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

  • 16 October 2026: £30,600
  • 24 October 2026: £30,200
  • 3 November 2026: £29,400

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 2 September 2027.

It has had 4 MOTs. The latest, on 3 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 30,512 miles, which matches the advertised 32,314 miles.

Advertised mileage is about 19,700 miles lower than the median mileage of a 2020 BMW X3 on AskCar.

Similar cars

7 other 2020 BMW X3 M Sport 3.0 diesel automatic SUVs are for sale at UK dealers, from £22,490 to £27,995, as of 5 November 2026.

The 3 closest to this car in mileage:

  • 2020 BMW X3 M Sport, 3.0 diesel SUV, black. Mileage: 37,687 miles. Price: £27,995, £1,405 less than this car. Dealer: Hamptons of Surrey in Farnham. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-13d1b0729483
  • 2020 BMW X3 M Sport, 3.0 diesel SUV, blue. Mileage: 45,613 miles. Price: £27,499, £1,901 less than this car. Dealer: HPL Preston in Preston. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-453ab0dc1be7
  • 2020 BMW X3 M Sport, 3.0 diesel SUV, black. Mileage: 52,264 miles. Price: £24,495, £4,905 less than this car. Dealer: Motor Range Liverpool in Liverpool. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-e31eb4e1dea0

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

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Photos

23 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.