2021 BMW X3 2.0 20d MHT M Sport

Overview

• Make: BMW
• Model: X3
• Trim: M Sport
• Version: 2.0 xDrive20d MHT M Sport Auto 4WD Euro 6 5dr Step (187 bhp)
• Year: 2021
• Mileage: 42,561 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: 160 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW X3 M Sport is advertised with 42,561 miles, approximately 6,100 below the typical mileage for its age. The AskCar estimate for this car is £25,321. It is priced at £24,700, which is £621 below that estimate. The AskCar estimate draws on 2,992 BMW X3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 41 days ago, the asking price has dropped by £700. Our records show an MOT expiry date of 1 October 2026, which has passed. Ask the dealer for an update. We checked its advertised mileage against the government's MOT record, and they match. The seller is Marshall BMW Scunthorpe, based in Scunthorpe. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £621 (2%) under the AskCar estimate of £25,321.

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 2,992 priced BMW X3 adverts across different ages and specifications, as of 2 November 2026.

A 2021 BMW X3 with the 2.0 diesel engine is typically advertised at £24,600: the median of the 174 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2021 BMW X3 has been on sale for at least 41 days.

Price history

AskCar first saw this advert on 22 September 2026 at £25,400. Its asking price is now £24,700, £700 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 22 September 2026: £25,400
• 26 September 2026: £25,500
• 2 October 2026: £25,900
• 9 October 2026: £25,500
• 16 October 2026: £24,900
• 23 October 2026: £24,800
• 27 October 2026: £24,700

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: the latest record we hold ran out on 1 October 2026; ask the dealer for the current MOT.

It has had 4 MOTs. The latest, on 25 September 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 34,230 miles, which matches the advertised 42,561 miles.

Advertised mileage is about 6,100 miles lower than the median mileage of a 2021 BMW X3 on AskCar.

Similar cars

97 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 2 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW X3 M Sport, 2.0 diesel SUV, white. Mileage: 42,468 miles. Price: £24,999, £299 more than this car. Dealer: Stratstone Bmw Leeds in Leeds. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-1bef7e39c3f0
• 2021 BMW X3 M Sport, 2.0 diesel SUV, grey. Mileage: 43,086 miles. Price: £24,599, £101 less than this car. Dealer: Fords of Winsford Manchester in Manchester. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-ee483895395b
• 2021 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 42,000 miles. Price: £24,490, £210 less than this car. Dealer: The Car Outlet in Dartford. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-cec94e086e85

• The nearest: 2021 BMW X3 M Sport, 2.0 diesel SUV, black, under a mile from this car. Mileage: 27,860 miles. Price: £25,429, £729 more than this car. Dealer: cinch in Scunthorpe. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-8b2f5fd05048