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: 60,994 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 503 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: White
• CO2: 261 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 60,994 miles on the clock, this 2021 BMW X3 M Competition has done roughly 27,000 more miles than a typical 2021 BMW X3 M. The AskCar estimate for this car is £41,537. It is priced at £39,995, which is £1,542 below 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 161 days ago. Its advertised mileage matches the government's MOT record. You can find this car at Brook Cars Company in Telford. 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: £1,542 (3%) under the AskCar estimate of £41,537.

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 161 days.

Price history

AskCar first saw this advert on 28 May 2026 at £39,995. 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 5 November 2026: valid until 19 February 2027.

It has had 5 MOTs. The latest, on 29 January 2026, passed.

Advisories at the latest test: nearside front brake disc worn, pitted or scored, but not seriously weakened; offside front brake disc worn, pitted or scored, but not seriously weakened; nearside rear brake disc worn, pitted or scored, but not seriously weakened; and 1 more.

Mileage at that test: 59,906 miles, which matches the advertised 60,994 miles.

Advertised mileage is about 27,000 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, white. Mileage: 62,137 miles. Price: £39,995, the same price as this car. Dealer: AR Motor Group in Rishton. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2021-c9a36b8f7155
• 2021 BMW X3 M Competition, 3.0 petrol SUV, black. Mileage: 58,443 miles. Price: £49,995, £10,000 more than this car. Dealer: Money for Motors North East in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2021-ef8ca367d0e9
• 2021 BMW X3 M Competition, 3.0 petrol SUV, grey. Mileage: 57,000 miles. Price: £41,995, £2,000 more than this car. Dealer: Southern Prestige Cars in Crawley. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2021-834a924c2e65

• The nearest: 2021 BMW X3 M Competition, 3.0 petrol SUV, blue, 29 miles from this car. Mileage: 24,000 miles. Price: £52,989, £12,994 more than this car. Dealer: J.L.A.N Motor Group in Birmingham. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2021-11b67be7742a