2020 BMW X3 2.0 20d M Sport

Overview

• Make: BMW
• Model: X3
• Trim: M Sport
• Version: 2.0 xDrive20d M Sport Auto 4WD Euro 6 5dr (187 bhp)
• Year: 2020
• Mileage: 78,524 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 143 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 78,524 miles on the clock, this 2020 BMW X3 M Sport has done roughly 26,500 more miles than a typical 2020 BMW X3. Priced at £18,499, it is advertised £502 below the AskCar estimate of £19,001. The AskCar estimate draws on 3,076 BMW X3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 20 days ago, the asking price has dropped by £700. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by cinch Corby in North Northamptonshire. 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: £502 (2%) under the AskCar estimate of £19,001.

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 20 days.

Price history

AskCar first saw this advert on 16 October 2026 at £19,199. Its asking price is now £18,499, £700 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 16 October 2026: £19,199
• 27 October 2026: £18,499

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 3 October 2027.

It has had 6 MOTs. The latest, on 4 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 78,520 miles, which matches the advertised 78,524 miles.

Advertised mileage is about 26,500 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, grey. Mileage: 80,674 miles. Price: £19,250, £751 more than this car. Dealer: Lcc Car Sales in Shipley. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-1c79892aa7dd
• 2020 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 76,250 miles. Price: £20,500, £2,001 more than this car. Dealer: RS Car Centre in Preston. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-16a15f5f4a4c
• 2020 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 75,300 miles. Price: £19,895, £1,396 more than this car. Dealer: Wokingham Trade Centre in Wokingham. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-8a13043feab7

• The nearest: 2020 BMW X3 M Sport, 2.0 diesel SUV, silver, 17 miles from this car. Mileage: 93,481 miles. Price: £17,000, £1,499 less than this car. Dealer: Mebs Motors in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-449be3fa2518