Top Gentlemanly Vehicles
I'd say, for the extremely wealthy gentleman, a Rolls Royce Ghost would be the best choice. It's not too sporty, and really has a sense of class.
http://www.lincah.com/wp-content/uploads/2009/04/2010-rolls-royce-ghost-...
For the rest of us normal Gentleman, I'd pick the Lincoln MKZ.

i'm partial to audis myself,
i'm partial to audis myself, but remember: it's not the chariot, it's the chariot driver.