The BMW X3 (2004-06) 5DR SUV 2.5I SPORT AUTO is a compact, five-door premium SUV, sitting between family hatchbacks and larger four-wheel-drive models in the UK used-car market. Its raised seating and automatic gearbox make it an appealing alternative to estate cars, with a more substantial feel than many everyday crossovers. mycarcheck.com records 873 look-ups covering 382 distinct VINs, a substantial sample for this early X3. Checks show an average private-sale valuation of £1,200 and average recorded mileage of 119,000 miles; cars average about 7,000 miles a year and 6.4 previous keepers. These figures describe checked vehicles, not every example. Sporty styling, a comfortable cabin and smooth six-cylinder petrol engine give the X3 a more engaging drive than many practical SUVs, though age and running costs deserve thought. It suits families or couples wanting useful space and confidence, and stands alongside premium rivals such as the Mercedes M-Class and Land Rover Freelander.