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: 35,000 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 503 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 247 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW X3 M Competition has covered 35,000 miles. Its asking price of £53,949 is £6,144 above the AskCar estimate of £47,805. The AskCar estimate draws on 128 BMW X3 M adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 74 days ago. Its asking price has since fallen by £1,000. Our records show an MOT expiry date of 5 October 2026, which has passed. Ask the dealer for an update. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at A1 Ortos in Oldham. 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

Above the going rate: £6,144 (12%) over the AskCar estimate of £47,805.

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 128 priced BMW X3 M adverts across different ages and specifications, as of 4 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 4 November 2026.

Time on sale

This 2021 BMW X3 M has been on sale for at least 74 days.

Price history

AskCar first saw this advert on 22 August 2026 at £54,949. Its asking price is now £53,949, £1,000 less. The latest price cut was seen on 9 October 2026.

Price changes recorded:

• 22 August 2026: £54,949
• 19 September 2026: £54,449
• 9 October 2026: £53,949

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: the latest record we hold ran out on 5 October 2026; ask the dealer for the current MOT.

It has had 2 MOTs. The latest, on 3 October 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 31,409 miles, which matches the advertised 35,000 miles.

Advertised mileage is about 1,000 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 4 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW X3 M Competition, 3.0 petrol SUV, black. Mileage: 34,000 miles. Price: £42,990, £10,959 less than this car. Dealer: Bedford Car Centres in Bedford. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2021-a067b02e33d5
• 2021 BMW X3 M Competition, 3.0 petrol SUV, grey. Mileage: 34,000 miles. Price: £44,980, £8,969 less than this car. Dealer: Auto100.Co.Uk in Sutton in Ashfield. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2021-2b0e74df0477
• 2021 BMW X3 M Competition, 3.0 petrol SUV, blue. Mileage: 34,000 miles. Price: £54,000, £51 more than this car. Dealer: The Motor Gallery in Havering. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2021-4cfa5ada62da

• The nearest: 2021 BMW X3 M Competition, 3.0 petrol SUV, grey, 1 miles from this car. Mileage: 24,800 miles. Price: £54,995, £1,046 more than this car. Dealer: Eminent Motor Group in Oldham. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2021-9b607e2890bc