The BMW X3 (2017-21) XDRIVE30D 5DR SUV 3.0 265 DPFR SS EU6 M SPORT AUTO8 is a premium, five-door mid-size SUV, sitting between mainstream family cars and larger luxury models in the UK used-car market. Its sporty M Sport styling, automatic transmission and strong six-cylinder diesel make it a refined, confident choice for everyday driving. mycarcheck.com recorded 2,437 checks across 1,078 distinct vehicles, showing substantial shopper interest. The data puts average private-sale value at £26,300, average recorded mileage at 45,000 miles and typical annual mileage at 9,000. Vehicles averaged 1.35 previous keepers. Broad figures help frame comparisons, though each car’s history and condition can differ. It suits families and commuters seeking space, comfort and all-weather traction, while its power helps on motorways and when towing. Rivalling the Audi Q5, Mercedes-Benz GLC and Volvo XC60, the X3 is prized for its engaging drive and polished cabin. Check service history carefully before buying. This BMW X3 diesel is a compelling used premium SUV, but check its condition, history and specification.