2023 BMW X3 M Sport

Version: MHT M Sport Auto 4WD Euro 6 5dr

Price: £34,995. Fair price: £977 (2%) under the AskCar estimate of £35,972, 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
MHT M Sport Auto 4WD Euro 6 5dr
Mileage
30,518 miles
Year
2023
Fuel type
Diesel
Body type
SUV
Gearbox
Automatic
Seats
5
Colour
White
Doors
5
Driven wheels
Four Wheel Drive
Hybrid type
Mild hybrid
Emissions standard
Euro 6

About this car

This 2023 BMW X3 M Sport has covered 30,518 miles. The AskCar estimate for this car is £35,972. It is priced at £34,995, which is £977 below that estimate. The AskCar estimate draws on 2,986 BMW X3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert today. It is advertised by Agnew Group Bavarian BMW in Belfast.

Stock data as of 29 October 2026.

How we estimate prices and check cars

Price history

AskCar first saw this advert on 29 October 2026.

Recorded asking prices
Date observedAsking price
29 October 2026£34,995

Price and mileage comparison

Fair price: £977 (2%) under the AskCar estimate of £35,972.

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 1,600 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:

The 142 matching cars have covered 6,795 to 118,000 miles, compared with 30,518 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

39 photos of this car are 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.