2023 BMW X3 2.0 20d MHT M Sport

Price: £31,995. Fair price: £67 (under 1%) under the AskCar estimate of £32,062, 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 xDrive20d MHT M Sport Auto 4WD Euro 6 5dr Step (187 bhp)
  • Year: 2023
  • Mileage: 37,655 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: 160 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW X3 M Sport has covered 37,655 miles, around 7,800 more miles than is typical for its age. The dealer is asking £31,995, which is £67 below the AskCar estimate of £32,062. To work out the AskCar estimate, we analyse UK dealer adverts for 3,076 BMW X3 cars across different ages and specifications. The asking price is now £5,000 lower than when we first recorded the advert 120 days ago. It is advertised by Agnew Group Bavarian BMW in Belfast. 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: £67 (under 1%) under the AskCar estimate of £32,062.

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 120 days.

Price history

AskCar first saw this advert on 8 July 2026 at £36,995. Its asking price is now £31,995, £5,000 less. The latest price cut was seen on 22 October 2026.

Price changes recorded:

  • 8 July 2026: £36,995
  • 5 September 2026: £35,995
  • 20 September 2026: £34,995
  • 30 September 2026: £33,995
  • 10 October 2026: £32,995
  • 22 October 2026: £31,995

Mileage and MOT

Advertised mileage is about 7,800 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, black. Mileage: 37,763 miles. Price: £34,000, £2,005 more than this car. Dealer: Listers BMW King's Lynn in King's Lynn. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-d02f4b268987
  • 2023 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 37,920 miles. Price: £33,750, £1,755 more than this car. Dealer: Wollaston BMW in Wollaston. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-55792ae3c3bf
  • 2023 BMW X3 M Sport, 2.0 diesel SUV, grey. Mileage: 36,990 miles. Price: £33,500, £1,505 more than this car. Dealer: Sytner Sheffield BMW in Sheffield. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-119814e73439
  • The nearest: 2023 BMW X3 M Sport, 2.0 diesel SUV, white, under a mile from this car. Mileage: 30,518 miles. Price: £34,995, £3,000 more than this car. Dealer: Agnew Group Bavarian BMW in Belfast. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-118bb09c95fc

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

More like this

Photos

39 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.