Well ok if you would really like to know then I guess I will say it. Rather than retype what I have already said in a conversation I have had with... ahem, an anonymous third party, I will just copy in paste it here. I think it includes most of my points in it: (I have deleted the other side of the conversation to protect their identity)

Grand Marquis GS says:
plus even if the escort and lumina don't become classic than they still don't deserve to be burned on an episode of top gear


Grand Marquis GS says:
and i'm sure he's right, neither of those cars, and also most other cars of the modern area, will not gain popularity like the beetle. but that doesn't mean that they won't be considered desireable in 50 years


Grand Marquis GS says:
after enough time anything will be considered classic. i mean in 300 years when archeologists dig up the ancient ruins of some city and they discover a car, wheateher it be a porche or a chevy it will be put into a musem and will be considered a valuable relic of an era bygone