2023 BMW X3 M 3.0 Competition

Price: £46,995. Fair price: £845 (1%) over the AskCar estimate of £46,150, our expected asking price for this car from its model, age, mileage and specification, drawing on 128 priced BMW X3 M adverts on AskCar as of 6 November 2026.

AskCar lists 128 used BMW X3 M from 111 UK dealerships, as of 6 November 2026.

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: 69,712 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 2023 BMW X3 M Competition is advertised with 69,712 miles, approximately 42,600 above the typical mileage for its age. Its asking price of £46,995 is £845 above the AskCar estimate of £46,150. The AskCar estimate uses 128 UK dealer adverts for the BMW X3 M, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 99 days ago, the asking price has dropped by £1,500. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at SD Automotive in Sutton-in-Ashfield. 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: £845 (1%) over the AskCar estimate of £46,150.

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 99 days.

Price history

AskCar first saw this advert on 30 July 2026 at £48,495. Its asking price is now £46,995, £1,500 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

  • 31 July 2026: £48,495
  • 16 October 2026: £48,995
  • 27 October 2026: £46,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 17 June 2027.

It has had one MOT, on 18 June 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 69,327 miles, which matches the advertised 69,712 miles.

Advertised mileage is about 42,600 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 £54,450 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, white. Mileage: 55,692 miles. Price: £54,450, £7,455 more than this car. Dealer: Stratstone BMW Bury St Edmunds in Bury St Edmunds. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2023-a42be8a41c26
  • 2023 BMW X3 M Competition, 3.0 petrol SUV, grey. Mileage: 42,000 miles. Price: £58,000, £11,005 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, blue. Mileage: 33,500 miles. Price: £59,990, £12,995 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, 3 miles from this car. Mileage: 32,000 miles. Price: £56,980, £9,985 more than this car. Dealer: Auto100.Co.Uk in Sutton in Ashfield. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2023-846d7a218ca7

Browse all BMW X3 M cars for sale · 2023 BMW X3 M price guide

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Photos

47 photos of this car are on its AskCar page.

As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.