300.0-hp, 3.0-liter, Straight 6 Cylinder Engine (Gasoline Fuel) Wondering which trim is right for you? Our 2013 BMW 135 trim comparison will help you decide.

It's easy for any automaker to stick a ton of power under the hood of any car to make it fun to drive (we're looking at you, Dodge), but keeping a good power-to-weight balance is a key to success ...