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: 29,998 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

With 29,998 miles on the clock, this 2023 BMW X3 M Competition has done roughly 2,900 more miles than a typical 2023 BMW X3 M. The dealer is asking £57,882, which is £168 below the AskCar estimate of £58,050. To work out the AskCar estimate, we analyse UK dealer adverts for 128 BMW X3 M cars across different ages and specifications. We first recorded this advert 24 days ago, and its asking price has since fallen by £978. The government's MOT record matches its advertised mileage. You can find this car at GK Motors in Mansfield. 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: £168 (under 1%) under the AskCar estimate of £58,050.

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 24 days.

Price history

AskCar first saw this advert on 13 October 2026 at £58,860. Its asking price is now £57,882, £978 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 13 October 2026: £58,860
• 21 October 2026: £58,750
• 31 October 2026: £57,882

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 19 January 2027.

It has had 2 MOTs. The latest, on 15 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 30,072 miles, which matches the advertised 29,998 miles.

Advertised mileage is about 2,900 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, black. Mileage: 30,923 miles. Price: £56,999, £883 less than this car. Dealer: cinch in Bournemouth. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2023-5da3ca7a9edc
• 2023 BMW X3 M Competition, 3.0 petrol SUV, blue. Mileage: 32,000 miles. Price: £56,980, £902 less than 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, black. Mileage: 27,700 miles. Price: £57,995, £113 more than this car. Dealer: CSH Performance in Elland. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2023-46fd0d536bcb

• The nearest: 2023 BMW X3 M Competition, 3.0 petrol SUV, grey, 3 miles from this car. Mileage: 69,712 miles. Price: £46,995, £10,887 less than this car. Dealer: SD Automotive in Sutton in Ashfield. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2023-8bf028e32a9f