2023 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: 2023
• Mileage: 30,923 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 503 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 247 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW X3 M Competition has covered 30,923 miles, around 3,800 more miles than is typical for its age. Priced at £56,999, it is advertised £765 below the AskCar estimate of £57,764. The AskCar estimate uses UK dealer asking prices, including 128 BMW X3 M adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 27 days ago. Its asking price has since fallen by £2,500. The government's MOT record matches its advertised mileage. It is advertised by cinch in Bournemouth. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £765 (1%) under the AskCar estimate of £57,764.

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 6 November 2026.

A 2023 BMW X3 M with the 3.0 petrol engine is typically advertised at £59,000: the median of the 17 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2023 BMW X3 M has been on sale for at least 27 days.

Price history

AskCar first saw this advert on 10 October 2026 at £59,499. Its asking price is now £56,999, £2,500 less. The latest price cut was seen on 6 November 2026.

Price changes recorded:

• 10 October 2026: £59,499
• 16 October 2026: £58,799
• 23 October 2026: £58,299
• 30 October 2026: £57,799
• 6 November 2026: £56,999

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 30 September 2027.

It has had 3 MOTs. The latest, on 1 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 30,923 miles, which matches the advertised 30,923 miles.

Advertised mileage is about 3,800 miles higher than the median mileage of a 2023 BMW X3 M on AskCar.

Similar cars

16 other 2023 BMW X3 M Competition 3.0 petrol automatic SUVs are for sale at UK dealers, from £46,995 to £65,323, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2023 BMW X3 M Competition, 3.0 petrol SUV, grey. Mileage: 29,998 miles. Price: £57,882, £883 more than this car. Dealer: GK Motors in Mansfield Woodhouse. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2023-d5273bb9e247
• 2023 BMW X3 M Competition, 3.0 petrol SUV, blue. Mileage: 32,000 miles. Price: £56,980, the same price as this car. Dealer: Auto100.Co.Uk in Sutton in Ashfield. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2023-846d7a218ca7
• 2023 BMW X3 M Competition, 3.0 petrol SUV, blue. Mileage: 33,500 miles. Price: £59,990, £2,991 more than this car. Dealer: Auto Venue in Newport. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2023-35a018a12f75

• The nearest: 2023 BMW X3 M Competition, 3.0 petrol SUV, blue, 75 miles from this car. Mileage: 20,404 miles. Price: £59,950, £2,951 more than this car. Dealer: Sytner Maidenhead BMW in Maidenhead. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2023-da979a7a26dc