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: 36,000 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 36,000 miles. The AskCar estimate for this car is £47,757. It is priced at £49,995, which is £2,238 above that estimate. The AskCar estimate uses UK dealer asking prices, including 128 BMW X3 M adverts, and accounts for the car’s age, mileage and specification. It first appeared in our advert records today. The government's MOT record matches its advertised mileage. It is advertised by Evolve Motor Company in Newport. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £2,238 (4%) over the AskCar estimate of £47,757.

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 7 November 2026.

A 2021 BMW X3 M with the 3.0 petrol engine is typically advertised at £46,200: the median of the 26 for sale on AskCar, as of 7 November 2026.

Time on sale

AskCar first saw this 2021 BMW X3 M advertised today.

Price history

AskCar first saw this advert on 7 November 2026 at £49,995. 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 7 November 2026: valid until 21 May 2027.

It has had 3 MOTs. The latest, on 22 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 31,138 miles, which matches the advertised 36,000 miles.

Advertised mileage is about 500 miles higher than the median mileage of a 2021 BMW X3 M on AskCar.

Similar cars

23 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 7 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW X3 M Competition, 3.0 petrol SUV, grey. Mileage: 35,000 miles. Price: £52,449, £2,454 more than this car. Dealer: A1 Ortos in Oldham. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2021-06937dc39cc7
• 2021 BMW X3 M Competition, 3.0 petrol SUV, grey. 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
• 2021 BMW X3 M Competition, 3.0 petrol SUV, black. Mileage: 34,000 miles. Price: £42,990, £7,005 less than this car. Dealer: Bedford Car Centres in Bedford. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2021-a067b02e33d5

• The nearest: 2021 BMW X3 M Competition, 3.0 petrol SUV, blue, 72 miles from this car. Mileage: 24,000 miles. Price: £52,989, £2,994 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