Uh, well, I'd like to change this thread a bit and differentiate between the car and the driver:
Cars, like boats, are always feminine. In languages that use male/female gender they are usually female or neutral.
I think most of this thread is about the driver of said car.
So its really about what you drive on how it reflects on you, not the car.
On a similar topic, American society is bent out of shape watching tackle football where muscular men in tights pass a ball to each other, sometimes between their legs, wrestling each other to the ground, and other men watch this. This is considered a masculine pastime! Or how about baseball, where you see unshaven men spit and scratch their crotches! I think real men would be more interested in watching babes such as the cheerleaders or something! How about a little synchronized swimming, guys!?! More like maybe women's volleyball, eh?
Oh well, I digress. You know the saying, the bigger the engine, the smaller the....
TM