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: 41,103 miles
• Fuel: Diesel, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 157 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 41,103 miles on the clock, this 2021 BMW X3 M Sport has done roughly 7,500 fewer miles than a typical 2021 BMW X3. Priced at £25,950, it is advertised £207 below the AskCar estimate of £26,157. The AskCar estimate uses UK dealer asking prices, including 2,992 BMW X3 adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 158 days ago, the asking price has dropped by £1,540. The latest recorded MOT expiry date is 28 March 2026, which has passed. Confirm its status with the dealer. Its advertised mileage matches the government's MOT record. The seller is Heartys of Peterborough, based in Peterborough. 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: £207 (under 1%) under the AskCar estimate of £26,157.

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 158 days.

Price history

AskCar first saw this advert on 28 May 2026 at £27,490. Its asking price is now £25,950, £1,540 less. The latest price cut was seen on 9 September 2026.

Price changes recorded:

• 29 May 2026: £27,490
• 9 September 2026: £25,950

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 28 March 2026; ask the dealer for the current MOT.

It has had 2 MOTs. The latest, on 28 March 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 38,347 miles, which matches the advertised 41,103 miles.

Advertised mileage is about 7,500 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, black. Mileage: 42,000 miles. Price: £24,490, £1,460 less than this car. Dealer: The Car Outlet in Dartford. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-cec94e086e85
• 2021 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 39,805 miles. Price: £27,995, £2,045 more than this car. Dealer: Comiskey Motors in Newry. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-4a74ba95a5eb
• 2021 BMW X3 M Sport, 2.0 diesel SUV, white. Mileage: 42,468 miles. Price: £24,999, £951 less than this car. Dealer: Stratstone Bmw Leeds in Leeds. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-1bef7e39c3f0

• The nearest: 2021 BMW X3 M Sport, 2.0 diesel SUV, white, 18 miles from this car. Mileage: 68,475 miles. Price: £21,999, £3,951 less than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-2eefd19e073f