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: 55,692 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 503 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: White
• CO2: 247 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 55,692 miles on the clock, this 2023 BMW X3 M Competition has done roughly 28,600 more miles than a typical 2023 BMW X3 M. The AskCar estimate for this car is £50,598. It is priced at £54,450, which is £3,852 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 128 BMW X3 M cars across different ages and specifications. Since we first spotted the advert 123 days ago, the asking price has dropped by £2,640. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Stratstone BMW Bury St Edmunds, based in Bury St Edmunds. 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: £3,852 (7%) over the AskCar estimate of £50,598.

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 123 days.

Price history

AskCar first saw this advert on 6 July 2026 at £57,090. Its asking price is now £54,450, £2,640 less. The latest price cut was seen on 19 September 2026.

Price changes recorded:

• 6 July 2026: £57,090
• 14 July 2026: £56,690
• 6 August 2026: £56,090
• 21 August 2026: £55,790
• 19 September 2026: £54,450

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 11 February 2027.

It has had one MOT, on 12 February 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 30,930 miles, which matches the advertised 55,692 miles.

Advertised mileage is about 28,600 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: 42,000 miles. Price: £58,000, £3,550 more than this car. Dealer: Sytner Stevenage BMW in Stevenage. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2023-f4466ff572ad
• 2023 BMW X3 M Competition, 3.0 petrol SUV, grey. Mileage: 69,712 miles. Price: £46,995, £7,455 less than this car. Dealer: SD Automotive in Sutton in Ashfield. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2023-8bf028e32a9f
• 2023 BMW X3 M Competition, 3.0 petrol SUV, blue. Mileage: 33,500 miles. Price: £59,990, £5,540 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, 38 miles from this car. Mileage: 22,000 miles. Price: £58,950, £4,500 more than this car. Dealer: AutoVero in Much Hadham. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2023-ef0630bbaf80