2021 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: 2021
• Mileage: 63,734 miles
• Fuel: Diesel, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: White
• CO2: 158 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 63,734 miles, this 2021 BMW X3 M Sport has covered about 14,800 more miles than other 2021 BMW X3 cars. The AskCar estimate for this car is £22,994. It is priced at £22,990, which is £4 below that estimate. The AskCar estimate draws on 3,034 BMW X3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data today. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Halliwell Jones Warrington BMW, based in Warrington. 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: £4 (under 1%) under the AskCar estimate of £22,994.

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 2021 BMW X3 with the 2.0 diesel engine is typically advertised at £24,500: the median of the 174 for sale on AskCar, as of 4 November 2026.

Time on sale

AskCar first saw this 2021 BMW X3 advertised today. About half of 2021 BMW X3 cars are gone from sale within a month of being advertised: 142 of the 303 first advertised between 13 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 4 November 2026 at £22,990. 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 4 November 2026: valid until 28 August 2027.

It has had 4 MOTs. The latest, on 1 August 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 60,761 miles, which matches the advertised 63,734 miles.

Advertised mileage is about 14,800 miles higher than the median mileage of a 2021 BMW X3 on AskCar.

Similar cars

95 other 2021 BMW X3 M Sport 2.0 diesel automatic SUVs are for sale at UK dealers, from £16,295 to £35,995, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW X3 M Sport, 2.0 diesel SUV, white. Mileage: 63,764 miles. Price: £23,890, £900 more than this car. Dealer: Williams Bmw Manchester in Manchester. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-bb5d2a99c17b
• 2021 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 63,570 miles. Price: £23,000, the same price as this car. Dealer: Sytner Swansea MINI in Swansea. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-70c34898ff55
• 2021 BMW X3 M Sport, 2.0 diesel SUV, silver. Mileage: 63,090 miles. Price: £21,150, £1,840 less than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-23d0903df2a0

• The nearest: 2021 BMW X3 M Sport, 2.0 diesel SUV, black, 11 miles from this car. Mileage: 29,902 miles. Price: £24,999, £2,009 more than this car. Dealer: Fords of Winsford Manchester in Manchester. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-72fa0eb2d1b9