Still the standard when it comes to perfectly sorted vehicle dynamics, high-quality interior materials, wide range of configurations to suit any style, available all-wheel drive for sedan and wagon. The 3 Series is BMW's top seller in the U.S., and for good reason -- endowed with world-class suspension, steering and brake components, these cars have an ability to communicate with their drivers that is unmatched in the entry-level luxury class and, indeed, unmatched by most cars at any price.