2023 BMW X3 M 3.0 Competition

Price: £58,750. Fair price: £411 (under 1%) under the AskCar estimate of £59,161, 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: 25,555 miles
  • Fuel: Petrol
  • Body: SUV, 5 doors, 5 seats
  • Engine: 3.0 litres, 503 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Blue
  • CO2: 247 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW X3 M Competition has covered 25,555 miles. Its asking price of £58,750 is £411 below the AskCar estimate of £59,161. The AskCar estimate uses 128 UK dealer adverts for the BMW X3 M, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 17 days ago, and its asking price has since fallen by £3,100. You can find this car at Wollaston BMW in Northampton. 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: £411 (under 1%) under the AskCar estimate of £59,161.

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 17 days.

Price history

AskCar first saw this advert on 20 October 2026 at £61,850. Its asking price is now £58,750, £3,100 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

  • 20 October 2026: £61,850
  • 27 October 2026: £59,950
  • 5 November 2026: £58,750

Mileage and MOT

Advertised mileage is about 1,500 miles lower 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, blue. Mileage: 27,074 miles. Price: £61,990, £3,240 more than this car. Dealer: Car City UK Catterick in Catterick. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2023-a8d19bd6f1fc
  • 2023 BMW X3 M Competition, 3.0 petrol SUV, black. Mileage: 27,700 miles. Price: £57,995, £755 less than this car. Dealer: CSH Performance in Elland. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2023-46fd0d536bcb
  • 2023 BMW X3 M Competition, 3.0 petrol SUV, blue. Mileage: 22,000 miles. Price: £58,950, £200 more than this car. Dealer: AutoVero in Much Hadham. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2023-ef0630bbaf80
  • The nearest: 2023 BMW X3 M Competition, 3.0 petrol SUV, grey, 37 miles from this car. Mileage: 42,000 miles. Price: £58,000, £750 less than this car. Dealer: Sytner Stevenage BMW in Stevenage. AskCar page: https://askcar.co.uk/car/bmw-x3-m-2023-f4466ff572ad

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

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Photos

23 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.