The BMW 3 SERIES is a premium mid-sized car, most commonly found as a saloon or practical Touring estate, with some generations also offered as a hatchback. It sits in the UK’s executive-car class, competing with the Audi A4 and Mercedes-Benz C-Class. Mycarcheck.com has recorded 246,977 checks covering 103,083 different VINs, a substantial sample that reflects lasting interest in used BMW 3 SERIES models. With an average recorded mileage of 126,000 and around five previous keepers, the figures suggest many examples are mature used cars, so condition and service history deserve close attention. Average private-sale valuation is £2,700, while average annual mileage is 6,000; treat these as broad figures, since age, specification and condition vary widely. It suits commuters and families wanting comfort, a premium feel and the 3 Series’ balance of relaxed cruising and engaging driving. Its broad engine and body-style range offers choice; always compare individual cars carefully.