2023 BMW X3 3.0 30d MHT M Sport

Price: £35,000. Fair price: £1,068 (2%) under the AskCar estimate of £36,068, 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: 3.0 30d MHT M Sport Auto 4WD Euro 6 (s/s) 5dr (282 bhp)
  • Year: 2023
  • Mileage: 44,355 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

At 44,355 miles, this 2023 BMW X3 M Sport has covered about 14,300 more miles than other 2023 BMW X3 cars. Its asking price of £35,000 is £1,068 below the AskCar estimate of £36,068. The AskCar estimate uses UK dealer asking prices, including 3,034 BMW X3 adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert for 5 days. The seller is Sytner High Wycombe BMW, based in High Wycombe. 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: £1,068 (2%) under the AskCar estimate of £36,068.

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 3.0 diesel engine is typically advertised at £41,500: the median of the 72 for sale on AskCar, as of 4 November 2026.

Time on sale

AskCar first saw this 2023 BMW X3 advertised 5 days ago. About 4 in 10 of 2023 BMW X3 cars are gone from sale within a month of being advertised: 138 of the 340 first advertised between 8 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 30 October 2026 at £35,000. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 14,300 miles higher than the median mileage of a 2023 BMW X3 on AskCar.

Similar cars

26 other 2023 BMW X3 M Sport 3.0 diesel automatic SUVs are for sale at UK dealers, from £31,399 to £41,490, as of 4 November 2026.

The 3 closest to this car in mileage:

  • 2023 BMW X3 M Sport, 3.0 diesel SUV, grey. Mileage: 43,653 miles. Price: £36,990, £1,990 more than this car. Dealer: Sytner Sunningdale BMW in Bracknell. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-6452cd5b5ae8
  • 2023 BMW X3 M Sport, 3.0 diesel SUV, grey. Mileage: 42,784 miles. Price: £37,193, £2,193 more than this car. Dealer: Group 1 Bedford BMW in Bedford. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-c30e3f417359
  • 2023 BMW X3 M Sport, 3.0 diesel SUV, grey. Mileage: 37,591 miles. Price: £38,390, £3,390 more than this car. Dealer: Stratstone Bmw Leeds in Leeds. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-9972d29250a3
  • The nearest: 2023 BMW X3 M Sport, 3.0 diesel SUV, black, under a mile from this car. Mileage: 23,657 miles. Price: £38,000, £3,000 more than this car. Dealer: Sytner High Wycombe BMW in High Wycombe. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-0c54feb4a22b

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

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Photos

21 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.