2020 BMW X3 2.0 20d MHT M Sport

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: 40,473 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

At 40,473 miles, this 2020 BMW X3 M Sport has covered about 11,200 fewer miles than other 2020 BMW X3 cars. The AskCar estimate for this car is £25,371. It is priced at £23,670, which is £1,701 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 82 days, and its asking price is down £1,300. Its advertised mileage matches the government's MOT record. It is for sale at Sytner Harold Wood BMW in Romford. 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: £1,701 (6%) under the AskCar estimate of £25,371.

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 82 days, and its asking price has been cut by £1,300. 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 14 August 2026 at £24,970. Its asking price is now £23,670, £1,300 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 14 August 2026: £24,970
• 28 August 2026: £24,870
• 11 September 2026: £24,670
• 27 September 2026: £24,270
• 9 October 2026: £23,970
• 30 October 2026: £23,670

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 5 February 2027.

It has had 4 MOTs. The latest, on 28 January 2026, passed.

Advisories at the latest test: nearside front outer tyre worn close to legal limit/worn on edge; offside front outer tyre worn close to legal limit/worn on edge; tyre slightly damaged/cracking or perishing all 4; and 1 more.

Mileage at that test: 35,485 miles, which matches the advertised 40,473 miles.

Advertised mileage is about 11,200 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, white. Mileage: 41,235 miles. Price: £24,995, £1,325 more than this car. Dealer: Crawford Clarke Cars in Belfast. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-8471795c72c6
• 2020 BMW X3 M Sport, 2.0 diesel SUV, blue. Mileage: 41,282 miles. Price: £22,975, £695 less than this car. Dealer: MINI UK at Listers Boston in Boston. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-c446ba47bc89
• 2020 BMW X3 M Sport, 2.0 diesel SUV, silver. Mileage: 39,513 miles. Price: £25,395, £1,725 more than this car. Dealer: Group 1 Farnborough BMW in Farnborough. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-6bd9719a3fce

• The nearest: 2020 BMW X3 M Sport, 2.0 diesel SUV, grey, 2 miles from this car. Mileage: 42,000 miles. Price: £25,995, £2,325 more than this car. Dealer: House Of Motors in Romford. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-ff36889e1306