Originally Posted by mister_eff
But engine noise is kinda bothering me. It's really a low frequency rumble (like below 60 Hz). It's noticeable when I first turn on the engine and is pretty loud whenever the engine is revving, though it's less of a problem when coasting. Is that the norm?
Complaints of engine noise are rare. First, I would suggest visiting your dealer and trying some other Focuses. This will rule out a problem with your particular car.