My father found the following document on internet, which has some interesting vehicle listing starting at page 134, whith all the vehicles officially sold in the USA.
There is also a list of body types stating at page 208, which we could use if we decide to modify the current vehicle categories.
(note: I refer to the PDF page numbers, not the page numbers printed in the document)
I uploaded the file there: www.imcdb.org/temp/2001.FARSmanual.pdf