2021 BMW X3 2.0 20d MHT M Sport

Overview

• Make: BMW
• Model: X3
• Trim: M Sport
• Version: 2.0 MHT M Sport Auto 4WD Euro 6 5dr (187 bhp)
• Year: 2021
• Mileage: 46,139 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: 158 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 46,139 miles, this 2021 BMW X3 M Sport has covered about 2,800 fewer miles than other 2021 BMW X3 cars. The AskCar estimate for this car is £25,732. It is priced at £28,010, which is £2,278 above that estimate. The AskCar estimate uses 3,034 UK dealer adverts for the BMW X3, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 57 days ago. Its asking price has since fallen by £1,980. We checked its advertised mileage against the government's MOT record, and they match. The seller is Williams Bmw Stockport, based in Stockport. 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

Above the going rate: £2,278 (8%) over the AskCar estimate of £25,732.

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

This 2021 BMW X3 has been on sale for at least 57 days.

Price history

AskCar first saw this advert on 8 September 2026 at £29,990. Its asking price is now £28,010, £1,980 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 8 September 2026: £29,990
• 16 September 2026: £29,790
• 9 October 2026: £29,490
• 21 October 2026: £28,990
• 29 October 2026: £28,090
• 31 October 2026: £28,010

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 10 May 2027.

It failed its MOT on 2 May 2026 (windscreen wiper does not clear the windscreen effectively) and passed 9 days later, on 11 May 2026.

Advisories at the latest test: offside rear tyre worn close to legal limit/worn on edge; run flat and none run flat tyres mixed on the rear axle.

Mileage at that test: 43,899 miles, which matches the advertised 46,139 miles.

Advertised mileage is about 2,800 miles lower 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, silver. Mileage: 46,000 miles. Price: £28,450, £440 more than this car. Dealer: Billington Motor Group in Burnley. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-1a9ff99aace7
• 2021 BMW X3 M Sport, 2.0 diesel SUV, silver. Mileage: 45,812 miles. Price: £27,995, the same price as this car. Dealer: Group 1 Cambridge BMW in Cambridge. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-cc6e834d0ca2
• 2021 BMW X3 M Sport, 2.0 diesel SUV, blue. Mileage: 46,850 miles. Price: £24,800, £3,210 less than this car. Dealer: German Autocentre in Sheffield. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-c0f1119af117

• The nearest: 2021 BMW X3 M Sport, 2.0 diesel SUV, black, 8 miles from this car. Mileage: 29,902 miles. Price: £24,999, £3,011 less than this car. Dealer: Fords of Winsford Manchester in Manchester. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-72fa0eb2d1b9