2021 BMW X4 M 3.0 Competition

Price: £48,990. Fair price: £131 (under 1%) under the AskCar estimate of £49,121, our expected asking price for this car from its model, age, mileage and specification, drawing on 86 priced BMW X4 M adverts on AskCar as of 5 November 2026.

AskCar lists 86 used BMW X4 M from 78 UK dealerships, as of 5 November 2026.

Overview

  • Make: BMW
  • Model: X4 M
  • Trim: Competition
  • Version: 3.0 i Competition Auto 4WD Euro 6 (s/s) 5dr (503 bhp)
  • Year: 2021
  • Mileage: 8,600 miles
  • Fuel: Petrol
  • Body: SUV, 5 doors, 5 seats
  • Engine: 3.0 litres, 503 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Red
  • CO2: 259 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW X4 M Competition has covered 8,600 miles, around 40,200 fewer miles than is typical for its age. The dealer is asking £48,990, which is £131 below the AskCar estimate of £49,121. To work out the AskCar estimate, we analyse UK dealer adverts for 86 BMW X4 M cars across different ages and specifications. We first recorded this advert 13 days ago, and its asking price has since fallen by £1,300. The government's MOT record matches its advertised mileage. It is advertised by Stratstone BMW Maidstone in Aylesford. 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: £131 (under 1%) under the AskCar estimate of £49,121.

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

A 2021 BMW X4 M with the 3.0 petrol engine is typically advertised at £40,000: the median of the 12 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2021 BMW X4 M has been on sale for at least 13 days.

Price history

AskCar first saw this advert on 23 October 2026 at £50,290. Its asking price is now £48,990, £1,300 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

  • 23 October 2026: £50,290
  • 5 November 2026: £48,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 2 February 2027.

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

There were no advisories at the latest test.

Mileage at that test: 7,061 miles, which matches the advertised 8,600 miles.

Advertised mileage is about 40,200 miles lower than the median mileage of a 2021 BMW X4 M on AskCar.

Similar cars

11 other 2021 BMW X4 M Competition 3.0 petrol automatic SUVs are for sale at UK dealers, from £32,890 to £44,995, as of 5 November 2026.

The 3 closest to this car in mileage:

  • 2021 BMW X4 M Competition, 3.0 petrol SUV, black. Mileage: 33,449 miles. Price: £43,500, £5,490 less than this car. Dealer: Saxtons.co.uk in Chelmsford. AskCar page: https://askcar.co.uk/car/bmw-x4-m-2021-ae025ea116bc
  • 2021 BMW X4 M Competition, 3.0 petrol SUV, grey. Mileage: 35,000 miles. Price: £44,995, £3,995 less than this car. Dealer: Brook Cars Company in Telford. AskCar page: https://askcar.co.uk/car/bmw-x4-m-2021-d9d510c23e65
  • 2021 BMW X4 M Competition, 3.0 petrol SUV, black. Mileage: 46,627 miles. Price: £38,720, £10,270 less than this car. Dealer: Hippo Approved in Blackburn. AskCar page: https://askcar.co.uk/car/bmw-x4-m-2021-f255fe033287
  • The nearest: 2021 BMW X4 M Competition, 3.0 petrol SUV, grey, 21 miles from this car. Mileage: 47,999 miles. Price: £40,990, £8,000 less than this car. Dealer: Best4U Motors in Brentwood. AskCar page: https://askcar.co.uk/car/bmw-x4-m-2021-b908eb0fa4a0

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

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Photos

40 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.