2021 BMW X4 2.0 20d MHT M Sport

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: 30,919 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: 150 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW X4 M Sport is advertised with 30,919 miles, approximately 17,300 below the typical mileage for its age. Priced at £30,995, it is advertised £750 above the AskCar estimate of £30,245. The AskCar estimate uses UK dealer asking prices, including 655 BMW X4 adverts, and accounts for the car’s age, mileage and specification. This car was first seen in our listings data 8 days ago. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by NSA Motor Vehicles in Milton Keynes. 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: £750 (2%) over the AskCar estimate of £30,245.

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 8 days.

Price history

AskCar first saw this advert on 27 October 2026 at £30,995. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 20 February 2027.

It failed its MOT on 21 February 2026 (nearside windscreen wiper does not clear the windscreen effectively) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 29,109 miles, which matches the advertised 30,919 miles.

Advertised mileage is about 17,300 miles lower 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, red. Mileage: 32,700 miles. Price: £31,995, £1,000 more than this car. Dealer: Ash Motors in Leeds. AskCar page: https://askcar.co.uk/car/bmw-x4-2021-7a2d8f5f6fef
• 2021 BMW X4 M Sport, 2.0 diesel SUV, grey. Mileage: 28,972 miles. Price: £31,090, £95 more than this car. Dealer: Stratstone BMW Maidstone in Maidstone. AskCar page: https://askcar.co.uk/car/bmw-x4-2021-18924c1f5158
• 2021 BMW X4 M Sport, 2.0 diesel SUV, white. Mileage: 34,825 miles. Price: £28,995, £2,000 less than this car. Dealer: Regency Car Sales Autovision Inverness in Inverness. AskCar page: https://askcar.co.uk/car/bmw-x4-2021-125623fea495

• The nearest: 2021 BMW X4 M Sport, 2.0 diesel SUV, grey, under a mile from this car. Mileage: 56,525 miles. Price: £27,995, £3,000 less than this car. Dealer: NSA Motor Vehicles in Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-x4-2021-c8228e657d5c