2021 BMW X3 M 3.0 Competition

Overview

• Make: BMW
• Model: X3 M
• Trim: Competition
• Version: 3.0 i Competition Auto 4WD Euro 6 (s/s) 5dr (503 bhp)
• Year: 2021
• Mileage: 58,443 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 503 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 248 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 58,443 miles, this 2021 BMW X3 M Competition has covered about 24,400 more miles than other 2021 BMW X3 M cars. The AskCar estimate for this car is £42,176. It is priced at £49,995, which is £7,819 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 130 BMW X3 M cars across different ages and specifications. It first appeared in our advert records 51 days ago. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by Money for Motors North East in Newcastle Upon Tyne. 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

Above the going rate: £7,819 (18%) over the AskCar estimate of £42,176.

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 130 priced BMW X3 M adverts across different ages and specifications, as of 5 November 2026.

A 2021 BMW X3 M with the 3.0 petrol engine is typically advertised at £46,700: the median of the 24 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2021 BMW X3 M has been on sale for at least 51 days.

Price history

AskCar first saw this advert on 15 September 2026 at £49,995. Its asking price has not changed.

Price changes recorded:

• 15 September 2026: £49,995
• 17 October 2026: £49,495
• 3 November 2026: £49,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 26 November 2026.

It has had 2 MOTs. The latest, on 27 November 2025, passed.

Advisories at the latest test: registration plate deteriorated but not likely to be misread both.

Mileage at that test: 45,500 miles, which matches the advertised 58,443 miles.

Advertised mileage is about 24,400 miles higher than the median mileage of a 2021 BMW X3 M on AskCar.

Similar cars

20 other 2021 BMW X3 M Competition 3.0 petrol automatic SUVs are for sale at UK dealers, from £39,995 to £54,995, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW X3 M Competition, 3.0 petrol SUV, grey. Mileage: 57,000 miles. Price: £41,995, £8,000 less than this car. Dealer: Southern Prestige Cars in Crawley. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2021-834a924c2e65
• 2021 BMW X3 M Competition, 3.0 petrol SUV, white. Mileage: 60,994 miles. Price: £39,995, £10,000 less than this car. Dealer: Brook Cars Company in Telford. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2021-2f43815e1e07
• 2021 BMW X3 M Competition, 3.0 petrol SUV, white. Mileage: 62,137 miles. Price: £39,995, £10,000 less than this car. Dealer: AR Motor Group in Rishton. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2021-c9a36b8f7155

• The nearest: 2021 BMW X3 M Competition, 3.0 petrol SUV, grey, 5 miles from this car. Mileage: 37,633 miles. Price: £44,491, £5,504 less than this car. Dealer: David James in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2021-3c969078d813