Woody Allen's one-act play God, in addition to being a send-up of Greek theatre, features a small treatise on the benefits of not having freedom. Diabetes, in an argument with his slave girlfriend Doris, points out it's dangerous to be free because "If there's a war, who do you think gets killed? The free people. But we're safe because no matter who's in power, they all need someone to do the heavy cleaning." Perhaps we've robbed you all of this benefit by allowing you to vote for the next Forza pack, but comments like this one from ColonelGentleman make us feel better about it.
You should be able to unlock the Fiero and then buy some in-game bondo and turn it into whatever car you want.
Think how much space you could save with Fierraris.