Definitions for "Art car"
a Picasso with a drive shaft, a fuel-injected Van Gogh, a motorized Mattise, an internal combustion Gaughin, a Salvador Dali with independent suspension, disk brakes and a T-top roof
a car that has been decorated in a manner that is very decidedly not factory standard
a functioning vehicle that has been transformed into a work of art by the application of paint and/or a variety of objects
a motor-driven vehicle which a car artist alters in such a way as to suit his own aesthetic