2023 BMW X3 3.0 30d MHT M Sport

Price: £39,950. Fair price: £512 (1%) over the AskCar estimate of £39,438, our expected asking price for this car from its model, age, mileage and specification, drawing on 3,049 priced BMW X3 adverts on AskCar as of 12 November 2026.

AskCar lists 3,124 used BMW X3 from 1,234 UK dealerships, as of 12 November 2026.

Overview

  • Make: BMW
  • Model: X3
  • Trim: M Sport
  • Version: 3.0 MHT M Sport Auto 4WD Euro 6 5dr (281 bhp)
  • Year: 2023
  • Mileage: 21,647 miles
  • Fuel: Diesel, mild hybrid
  • Body: SUV, 5 doors, 5 seats
  • Engine: 3.0 litres, 281 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Grey
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW X3 M Sport is advertised with 21,647 miles, approximately 7,500 below the typical mileage for its age. Its asking price of £39,950 is £512 above the AskCar estimate of £39,438. To work out the AskCar estimate, we analyse UK dealer adverts for 3,049 BMW X3 cars across different ages and specifications. We first recorded this car for sale 2 days ago. The seller is Lloyd Cockermouth BMW, based in Cockermouth. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 12 November 2026.

How we estimate prices and check cars

Lloyd Cockermouth BMW is rated 4.4 out of 5 on Google.

Price

Fair price: £512 (1%) over the AskCar estimate of £39,438.

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 3,049 priced BMW X3 adverts across different ages and specifications, as of 12 November 2026.

A 2023 BMW X3 with the 3.0 diesel engine is typically advertised at £40,500: the median of the 75 for sale on AskCar, as of 12 November 2026.

Time on sale

AskCar first saw this 2023 BMW X3 advertised 2 days ago. About 4 in 10 of 2023 BMW X3 cars are gone from sale within a month of being advertised: 144 of the 381 first advertised between 13 July 2026 and 9 October 2026.

Price history

AskCar first saw this advert on 10 November 2026 at £39,950. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 7,500 miles lower 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 £30,700 to £40,995, as of 12 November 2026.

The 3 closest to this car in mileage:

  • 2023 BMW X3 M Sport, 3.0 diesel SUV, grey. Mileage: 21,647 miles. Price: £39,950, the same price as this car. Dealer: Lloyd Cockermouth BMW in Cockermouth. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-31ea38b2f55a
  • 2023 BMW X3 M Sport, 3.0 diesel SUV, blue. Mileage: 22,440 miles. Price: £39,875, £75 less than this car. Dealer: Group 1 Worthing BMW in Worthing. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-b7fd25403638
  • 2023 BMW X3 M Sport, 3.0 diesel SUV, black. Mileage: 19,904 miles. Price: £37,000, £2,950 less than this car. Dealer: Sytner Newport BMW in Newport. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-dac0d296ef15

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

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Photos

17 photos of this car are on its AskCar page.

As of 12 November 2026, AskCar lists 596,362 cars and vans from 12,840 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.