2023 BMW X3 2.0 20d MHT M Sport

Price: £30,750. Fair price: £246 (under 1%) over the AskCar estimate of £30,504, our expected asking price for this car from its model, age, mileage and specification, drawing on 3,076 priced BMW X3 adverts on AskCar as of 5 November 2026.

AskCar lists 3,143 used BMW X3 from 1,230 UK dealerships, as of 5 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: 52,509 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

With 52,509 miles on the clock, this 2023 BMW X3 M Sport has done roughly 22,600 more miles than a typical 2023 BMW X3. The AskCar estimate for this car is £30,504. It is priced at £30,750, which is £246 above that estimate. The AskCar estimate draws on 3,076 BMW X3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 41 days ago. Its asking price has since fallen by £750. According to the government's MOT record, its advertised mileage is consistent with the latest test. 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 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £246 (under 1%) over the AskCar estimate of £30,504.

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 3,076 priced BMW X3 adverts across different ages and specifications, as of 5 November 2026.

A 2023 BMW X3 with the 2.0 diesel engine is typically advertised at £32,900: the median of the 228 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2023 BMW X3 has been on sale for at least 41 days.

Price history

AskCar first saw this advert on 25 September 2026 at £31,500. Its asking price is now £30,750, £750 less. The latest price cut was seen on 22 October 2026.

Price changes recorded:

  • 25 September 2026: £31,500
  • 22 October 2026: £30,750

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 29 June 2027.

It has had one MOT, on 24 June 2026, and passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge.

Mileage at that test: 47,505 miles, which matches the advertised 52,509 miles.

Advertised mileage is about 22,600 miles higher than the median mileage of a 2023 BMW X3 on AskCar.

Similar cars

108 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 5 November 2026.

The 3 closest to this car in mileage:

  • 2023 BMW X3 M Sport, 2.0 diesel SUV, grey. Mileage: 51,302 miles. Price: £31,194, £444 more than this car. Dealer: Partridge BMW in Eastleigh. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-b6b3855f9b95
  • 2023 BMW X3 M Sport, 2.0 diesel SUV, grey. Mileage: 53,877 miles. Price: £31,000, £250 more than this car. Dealer: Sytner Cardiff BMW in Cardiff. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-2babd9391090
  • 2023 BMW X3 M Sport, 2.0 diesel SUV, grey. Mileage: 54,444 miles. Price: £28,950, £1,800 less than this car. Dealer: Sytner Maidenhead BMW in Maidenhead. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-3eaecb6c0deb

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

More like this

Photos

21 photos of this car are on its AskCar page.

As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.