What's the deal with 9/11 art cars?

On the side of this one it says "America, like Ford, built tough."




Answering the question, what would Jesus drive, this guy has his savior's countenance on his Prowler.



I know you're curious.



Fancy exterior, sparse interior





Update: Walking by after shooting the tribute in light photos and there was yet another. Not sure this one has anything to do with 9/11 though, just seemed to be covered in toys and junk. Maybe I missed the point.