2021 BMW X4 2.0 20d MHT M Sport

Price: £28,973. Fair price: £1,624 (5%) over the AskCar estimate of £27,349, our expected asking price for this car from its model, age, mileage and specification, drawing on 655 priced BMW X4 adverts on AskCar as of 4 November 2026.

AskCar lists 667 used BMW X4 from 463 UK dealerships, as of 4 November 2026.

Overview

  • Make: BMW
  • Model: X4
  • Trim: M Sport
  • Version: 2.0 20d MHT M Sport Auto 4WD Euro 6 (s/s) 5dr (187 bhp)
  • Year: 2021
  • Mileage: 50,793 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: 152 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW X4 M Sport has covered 50,793 miles, around 2,600 more miles than is typical for its age. Its asking price of £28,973 is £1,624 above the AskCar estimate of £27,349. The AskCar estimate draws on 655 BMW X4 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 35 days ago. Its asking price has since fallen by £1,902. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by HK Cars in Bolton. 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: £1,624 (5%) over the AskCar estimate of £27,349.

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 655 priced BMW X4 adverts across different ages and specifications, as of 4 November 2026.

A 2021 BMW X4 with the 2.0 diesel engine is typically advertised at £27,500: the median of the 31 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2021 BMW X4 has been on sale for at least 35 days.

Price history

AskCar first saw this advert on 30 September 2026 at £30,875. Its asking price is now £28,973, £1,902 less. The latest price cut was seen on 25 October 2026.

Price changes recorded:

  • 30 September 2026: £30,875
  • 10 October 2026: £30,642
  • 21 October 2026: £30,422
  • 25 October 2026: £28,973

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 December 2026.

It has had 2 MOTs. The latest, on 16 December 2025, passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge; offside front tyre worn close to legal limit/worn on edge.

Mileage at that test: 44,486 miles, which matches the advertised 50,793 miles.

Advertised mileage is about 2,600 miles higher than the median mileage of a 2021 BMW X4 on AskCar.

Similar cars

30 other 2021 BMW X4 M Sport 2.0 diesel automatic SUVs are for sale at UK dealers, from £19,290 to £31,995, as of 4 November 2026.

The 3 closest to this car in mileage:

  • 2021 BMW X4 M Sport, 2.0 diesel SUV, blue. Mileage: 50,686 miles. Price: £25,800, £3,173 less than this car. Dealer: John Clark BMW Aberdeen in Aberdeen. AskCar page: https://askcar.co.uk/car/bmw-x4-2021-b01d31e6dca4
  • 2021 BMW X4 M Sport, 2.0 diesel SUV, black. Mileage: 49,000 miles. Price: £25,480, £3,493 less than this car. Dealer: Belgrave Motor Company in Sheffield. AskCar page: https://askcar.co.uk/car/bmw-x4-2021-a172708e792f
  • 2021 BMW X4 M Sport, 2.0 diesel SUV, black. Mileage: 48,203 miles. Price: £24,999, £3,974 less than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/bmw-x4-2021-7fb4b0edc2b5
  • The nearest: 2021 BMW X4 M Sport, 2.0 diesel SUV, grey, 7 miles from this car. Mileage: 47,864 miles. Price: £27,485, £1,488 less than this car. Dealer: Williams Bmw Manchester in Manchester. AskCar page: https://askcar.co.uk/car/bmw-x4-2021-8cd74ec27889

Browse all BMW X4 cars for sale · 2021 BMW X4 price guide

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Photos

61 photos of this car are on its AskCar page.

As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.