My first guess was also Fiat, though Ferrari does seem the more obvious in hindsight. Still, I'd vote to either accept Fiat, or change the clue to be more specific.
Yea, it's one of those you probably need to have watched the show to get - although there is a kinda clue in the show title. If you've not heard of it, Futurama is an animated TV show made by the same guy who created the Simpsons. It is set in the future, the 31st Century, and the place it is set in is called New New York (yes, 2 'New's), which might be handy if you come across a question on that in another quiz
This is who they mean. There's really no reason you'd know his name just by reading romance novels, but there's a pretty good chance you've seen him on the cover of some.
Maybe she confused red hot chilly peppers with black eyed peas? Both foodname bands ;) Not that it would make sense then, because it ask for the bassplayer
Had no idea on fabio, fargo and filibuster.