2023 BMW X3 3.0 30d MHT M Sport

Price: £30,800. Good value: £2,713 (8%) under the AskCar estimate of £33,513, our expected asking price for this car from its model, age, mileage and specification, drawing on 3,099 priced BMW X3 adverts on AskCar as of 6 November 2026.

AskCar lists 3,164 used BMW X3 from 1,233 UK dealerships, as of 6 November 2026.

Overview

  • Make: BMW
  • Model: X3
  • Trim: M Sport
  • Version: 3.0 30d MHT M Sport Auto 4WD Euro 6 (s/s) 5dr (282 bhp)
  • Year: 2023
  • Mileage: 57,943 miles
  • Fuel: Diesel, mild hybrid
  • Body: SUV, 5 doors, 5 seats
  • Engine: 3.0 litres, 282 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Grey
  • CO2: 164 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW X3 M Sport has covered 57,943 miles, around 28,600 more miles than is typical for its age. Its asking price of £30,800 is £2,713 below the AskCar estimate of £33,513. The AskCar estimate draws on 3,099 BMW X3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 48 days ago, the asking price has dropped by £3,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Marshall BMW Scunthorpe, based in Scunthorpe. 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

Good value: £2,713 (8%) under the AskCar estimate of £33,513.

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 3,099 priced BMW X3 adverts across different ages and specifications, as of 6 November 2026.

A 2023 BMW X3 with the 3.0 diesel engine is typically advertised at £41,000: the median of the 76 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2023 BMW X3 has been on sale for at least 48 days.

Price history

AskCar first saw this advert on 19 September 2026 at £33,800. Its asking price is now £30,800, £3,000 less. The latest price cut was seen on 6 November 2026.

Price changes recorded:

  • 19 September 2026: £33,800
  • 25 September 2026: £32,700
  • 1 October 2026: £33,200
  • 9 October 2026: £32,500
  • 16 October 2026: £32,200
  • 23 October 2026: £31,900
  • 27 October 2026: £31,300
  • 6 November 2026: £30,800

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 30 May 2027.

It has had one MOT, on 5 May 2026, and passed.

Advisories at the latest test: central rear lower prop shaft flexible coupling slightly deteriorated.

Mileage at that test: 52,217 miles, which matches the advertised 57,943 miles.

Advertised mileage is about 28,600 miles higher than the median mileage of a 2023 BMW X3 on AskCar.

Similar cars

29 other 2023 BMW X3 M Sport 3.0 diesel automatic SUVs are for sale at UK dealers, from £32,250 to £41,490, as of 6 November 2026.

The 3 closest to this car in mileage:

  • 2023 BMW X3 M Sport, 3.0 diesel SUV, black. Mileage: 54,000 miles. Price: £34,990, £4,190 more than this car. Dealer: LTV in Manchester. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-fd1091f7e31e
  • 2023 BMW X3 M Sport, 3.0 diesel SUV, black. Mileage: 62,985 miles. Price: £33,995, £3,195 more than this car. Dealer: Just Audi VW in Lincoln. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-7e294075da8a
  • 2023 BMW X3 M Sport, 3.0 diesel SUV, grey. Mileage: 44,355 miles. Price: £35,000, £4,200 more than this car. Dealer: Sytner High Wycombe BMW in High Wycombe. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-2b63cfdc8e44
  • The nearest: 2023 BMW X3 M Sport, 3.0 diesel SUV, blue, 19 miles from this car. Mileage: 14,058 miles. Price: £41,490, £10,690 more than this car. Dealer: Stratstone Bmw Doncaster in Doncaster. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-8221370e7f01

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

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Photos

37 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.