2023 BMW X3 3.0 M Sport
Version: 3.0 MHT M Sport Auto 4WD Euro 6 5dr
Price: £35,000. Fair price: £485 (1%) under the AskCar estimate of £35,485, our expected asking price for this car from its model, age, mileage and specification, drawing on 2,986 priced BMW X3 adverts on AskCar as of 29 October 2026.
AskCar lists 3,088 used BMW X3 from 1,215 UK dealerships, as of 29 October 2026.
Overview
- Make
- BMW
- Model
- X3
- Trim
- M Sport
- Version
- 3.0 MHT M Sport Auto 4WD Euro 6 5dr
- Mileage
- 44,355 miles
- Year
- 2023
- Fuel type
- Diesel
- Body type
- SUV
- Engine
- 3.0 L
- Gearbox
- Automatic
- Seats
- 5
- Colour
- Grey
- Doors
- 5
- Driven wheels
- Four Wheel Drive
- Hybrid type
- Mild hybrid
- Emissions standard
- Euro 6
About this car
This 2023 BMW X3 M Sport is advertised with 44,355 miles, approximately 15,400 above the typical mileage for its age. The dealer is asking £35,000, which is £485 below the AskCar estimate of £35,485. To work out the AskCar estimate, we analyse UK dealer adverts for 2,986 BMW X3 cars across different ages and specifications. We first recorded this car for sale today. The seller is Sytner High Wycombe BMW, based in High Wycombe.
Stock data as of 29 October 2026.
Price history
AskCar first saw this advert on 29 October 2026.
| Date observed | Asking price |
|---|---|
| 29 October 2026 | £35,000 |
Price and mileage comparison
Fair price: £485 (1%) under the AskCar estimate of £35,485.
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 2,986 priced BMW X3 adverts across different ages and specifications, as of 29 October 2026.
Advertised mileage is about 15,400 miles higher than the median mileage of a 2023 BMW X3 on AskCar.
Other matching cars
142 other 2023 BMW X3 M Sport automatic diesel cars are for sale at UK dealers from £19,990 to £41,495, as of 29 October 2026.
The 5 cheapest:
- 2023 BMW X3. Price: £19,990. Mileage: 118,000 miles. Dealer: Da Blundell Car Sales in Liverpool. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-71f15423e955
- 2023 BMW X3. Price: £26,750. Mileage: 50,455 miles. Dealer: Halliwell Jones Chester BMW in Chester. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-98ff59f032a6
- 2023 BMW X3. Price: £28,300. Mileage: 46,248 miles. Dealer: MINI UK at Marshall Grimsby in Grimsby. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-e7e0ffb1750f
- 2023 BMW X3. Price: £28,500. Mileage: 61,694 miles. Dealer: Sytner Wolverhampton BMW in Wolverhampton. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-80764a9a21d2
- 2023 BMW X3. Price: £28,995. Mileage: 61,890 miles. Dealer: Stratstone BMW Milton Keynes in Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-7d1c56bbfc27
The 142 matching cars have covered 6,795 to 118,000 miles, compared with 44,355 miles for this car.
Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.
Browse all BMW X3 cars for sale · 2023 BMW X3 price guide
More like this
Photos
1 photo of this car is on its AskCar page.
How to contact the dealer and its opening hours are on this AskCar page.
As of 29 October 2026, AskCar lists 587,923 cars and vans from 12,992 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.