The BMW X3 (2004-06) 5DR SUV 3.0D M SPORT is a premium five-door compact SUV, combining a raised driving position and useful cabin space with a sportier look. In the UK used-car market, it sits between mainstream family SUVs and larger luxury 4x4s, offering an affordable route into BMW ownership. Mycarcheck.com records show 41 look-ups covering 19 different VINs, so the figures offer a useful snapshot rather than a full-market survey. The average private-sale valuation was £1,600; recorded cars averaged 152,000 miles, around 8,000 miles a year, and just over five previous keepers. It suits families, commuters and drivers wanting space for weekend trips, plus strong performance, but not the lowest running costs. The six-cylinder diesel and composed, engaging drive give this M Sport character against practical rivals, while its premium cabin competes with Audi and Land Rover alternatives. For an older used X3, check service history and condition carefully.