2021 BMW X4 3.0 30d MHT M Sport

Price: £27,898. Fair price: £1,320 (4%) under the AskCar estimate of £29,218, our expected asking price for this car from its model, age, mileage and specification, drawing on 650 priced BMW X4 adverts on AskCar as of 5 November 2026.

AskCar lists 666 used BMW X4 from 463 UK dealerships, as of 5 November 2026.

Overview

  • Make: BMW
  • Model: X4
  • Trim: M Sport
  • Version: 3.0 MHT M Sport Auto 4WD Euro 6 5dr (281 bhp)
  • Year: 2021
  • Mileage: 53,479 miles
  • Fuel: Diesel, mild hybrid
  • Body: SUV, 5 doors, 5 seats
  • Engine: 3.0 litres, 281 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Black
  • CO2: 169 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW X4 M Sport is advertised with 53,479 miles, approximately 5,300 above the typical mileage for its age. The dealer is asking £27,898, which is £1,320 below the AskCar estimate of £29,218. To work out the AskCar estimate, we analyse UK dealer adverts for 650 BMW X4 cars across different ages and specifications. The asking price is now £3,000 lower than when we first recorded the advert 65 days ago. We checked its advertised mileage against the government's MOT record, and they match. The seller is Arnold Clark Glasgow Corvette / Maserati / LUXE, based in Glasgow. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,320 (4%) under the AskCar estimate of £29,218.

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 650 priced BMW X4 adverts across different ages and specifications, as of 5 November 2026.

A 2021 BMW X4 with the 3.0 diesel engine is typically advertised at £28,500: the median of the 18 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2021 BMW X4 has been on sale for at least 65 days.

Price history

AskCar first saw this advert on 1 September 2026 at £30,898. Its asking price is now £27,898, £3,000 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

  • 1 September 2026: £30,898
  • 29 September 2026: £29,898
  • 13 October 2026: £28,898
  • 4 November 2026: £27,898

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 29 April 2027.

It has had 3 MOTs. The latest, on 23 April 2026, passed.

Advisories at the latest test: offside rear tyre slightly damaged/cracking or perishing 275/35/21 DOT 0224 AT 3 MM; nearside rear tyre slightly damaged/cracking or perishing 275/35/21 DOT 2023 AT 1.6 MM..ON LEGAL LIMIT; nearside front tyre worn close to legal limit/worn on edge 245/40/21 DOT 0523 AT 4 MM; and 1 more.

Mileage at that test: 46,665 miles, which matches the advertised 53,479 miles.

Advertised mileage is about 5,300 miles higher than the median mileage of a 2021 BMW X4 on AskCar.

Similar cars

9 other 2021 BMW X4 M Sport 3.0 diesel automatic SUVs are for sale at UK dealers, from £18,975 to £31,999, as of 5 November 2026.

The 3 closest to this car in mileage:

  • 2021 BMW X4 M Sport, 3.0 diesel SUV, grey. Mileage: 54,915 miles. Price: £27,495, £403 less than this car. Dealer: Penguin Cars in Shrewsbury. AskCar page: https://askcar.co.uk/car/bmw-x4-2021-15b9b4f1ac0a
  • 2021 BMW X4 M Sport, 3.0 diesel SUV, blue. Mileage: 55,272 miles. Price: £25,700, £2,198 less than this car. Dealer: John Clark BMW Aberdeen in Aberdeen. AskCar page: https://askcar.co.uk/car/bmw-x4-2021-b926baccdc3e
  • 2021 BMW X4 M Sport, 3.0 diesel SUV, black. Mileage: 57,450 miles. Price: £26,994, £904 less than this car. Dealer: Tt Sports & Prestige Cars in Derby. AskCar page: https://askcar.co.uk/car/bmw-x4-2021-38d66e7ea1c7
  • The nearest: 2021 BMW X4 M Sport, 3.0 diesel SUV, white, 34 miles from this car. Mileage: 48,668 miles. Price: £28,250, £352 more than this car. Dealer: Applecross Motor Company in Broxburn. AskCar page: https://askcar.co.uk/car/bmw-x4-2021-912068fe5457

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

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Photos

20 photos of this car are on its AskCar page.

As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.