Motortrend magazine recently released an article the compares the BMW 335xi, Audi S4, Cadillac ATS4, Lexus IS350 AWD, Volvo S60. All of these cars are great vehicles, but you can click here to see why the 3 series came out on top.
Some highlight of the 335xi in the article:
-best observed fuel economy;
-tied for fastest 0-60 mph time;
-most rear leg room;
-has the best “infotainment system (i.e. iDrive)