21/10/2014 · The BMW 335i is the most fun, however, with its powerful engine and plentiful torque. The 2015 BMW 3 Series sedan remains the benchmark among luxury sport compact cars such as the Audi A3, Cadillac ATS, Infiniti Q50, Lexus IS and Mercedes-Benz C-Class. Though all offer similar dimensions and features, none can quite match the weight balance and