2023 BMW X3 2.0 20d MHT M Sport

Price: £36,750. Fair price: £779 (2%) over the AskCar estimate of £35,971, our expected asking price for this car from its model, age, mileage and specification, drawing on 3,034 priced BMW X3 adverts on AskCar as of 4 November 2026.

AskCar lists 3,115 used BMW X3 from 1,212 UK dealerships, as of 4 November 2026.

Overview

  • Make: BMW
  • Model: X3
  • Trim: M Sport
  • Version: 2.0 20d MHT M Sport Auto 4WD Euro 6 (s/s) 5dr (187 bhp)
  • Year: 2023
  • Mileage: 19,592 miles
  • Fuel: Diesel, mild hybrid
  • Body: SUV, 5 doors, 5 seats
  • Engine: 2.0 litres, 187 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Grey
  • CO2: 154 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW X3 M Sport has covered 19,592 miles, around 10,500 fewer miles than is typical for its age. The AskCar estimate for this car is £35,971. It is priced at £36,750, which is £779 above that estimate. The AskCar estimate uses 3,034 UK dealer adverts for the BMW X3, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 46 days ago. Its asking price has since fallen by £1,250. The seller is Sytner Cardiff BMW, based in Cardiff. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £779 (2%) over the AskCar estimate of £35,971.

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 3,034 priced BMW X3 adverts across different ages and specifications, as of 4 November 2026.

A 2023 BMW X3 with the 2.0 diesel engine is typically advertised at £32,900: the median of the 232 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2023 BMW X3 has been on sale for at least 46 days.

Price history

AskCar first saw this advert on 19 September 2026 at £38,000. Its asking price is now £36,750, £1,250 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

  • 19 September 2026: £38,000
  • 23 October 2026: £37,500
  • 28 October 2026: £36,750

Mileage and MOT

Advertised mileage is about 10,500 miles lower than the median mileage of a 2023 BMW X3 on AskCar.

Similar cars

109 other 2023 BMW X3 M Sport 2.0 diesel automatic SUVs are for sale at UK dealers, from £26,450 to £38,898, as of 4 November 2026.

The 3 closest to this car in mileage:

  • 2023 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 19,415 miles. Price: £32,890, £3,860 less than this car. Dealer: Williams Bmw Manchester in Manchester. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-1067595bcb18
  • 2023 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 19,335 miles. Price: £35,995, £755 less than this car. Dealer: Park's Motor Group Douglas Park BMW Hamilton in Hamilton. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-1ab2f8b0eb62
  • 2023 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 19,281 miles. Price: £32,200, £4,550 less than this car. Dealer: Marshall BMW Salisbury in Salisbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-16236e1c0215
  • The nearest: 2023 BMW X3 M Sport, 2.0 diesel SUV, grey, under a mile from this car. Mileage: 53,877 miles. Price: £31,000, £5,750 less than this car. Dealer: Sytner Cardiff BMW in Cardiff. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-2babd9391090

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

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Photos

22 photos of this car are on its AskCar page.

As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.