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: 48,250 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: White
• CO2: 166 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW X3 M Sport is advertised with 48,250 miles, approximately 3,800 below the typical mileage for its age. The dealer is asking £23,990, which is £932 above the AskCar estimate of £23,058. To work out the AskCar estimate, we analyse UK dealer adverts for 3,076 BMW X3 cars across different ages and specifications. This car was first seen in our listings data 9 days ago. Its advertised mileage matches the government's MOT record. The seller is MINI UK at Listers Boston, based in Boston. 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: £932 (4%) over the AskCar estimate of £23,058.

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 9 days.

Price history

AskCar first saw this advert on 27 October 2026 at £23,990. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 12 October 2027.

It failed its MOT on 11 September 2026 (tyre pressure monitoring system malfunctioning or obviously inoperative) and passed 32 days later, on 13 October 2026.

Advisories at the latest test: nearside front child seat fitted not allowing full inspection of adult belt.

Mileage at that test: 47,718 miles, which matches the advertised 48,250 miles.

Advertised mileage is about 3,800 miles lower 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, white. Mileage: 48,257 miles. Price: £23,990, the same price as this car. Dealer: Listers in Boston. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-e62fb6bd4c33
• 2020 BMW X3 M Sport, 2.0 diesel SUV, blue. Mileage: 47,275 miles. Price: £22,249, £1,741 less than this car. Dealer: Motorpoint Castleford in Castleford. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-a919717c8a4d
• 2020 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 49,260 miles. Price: £24,250, £260 more than this car. Dealer: Merc Autobarn in Hayes. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-b10c22a3f053

• The nearest: 2020 BMW X3 M Sport, 2.0 diesel SUV, blue, under a mile from this car. Mileage: 41,282 miles. Price: £22,975, £1,015 less than this car. Dealer: MINI UK at Listers Boston in Boston. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-c446ba47bc89