JWs president Judge Joseph Rutherford had a couple of Cadillac V16s
to go with the mansion he bought for himself. (It's mentioned at
listings for 1918 and 1929 on the timeline at the next link.)
http://gtw6437.tripod.com/id12.html
If you play the game "Mafia: City of Lost Heaven," you can have Tommy
Angelo drive a Lassiter V16 Fordor, which is the Cadillac V16 Ruther-
ford had.
http://commons.wikimedia.org/wiki/File:Judge_Rutherford_Cadillac.jpg
http://pc-gamecars.com/Mafia/Car_images/Cad%20Four2.gif
http://www.youtube.com/watch?v=upBdFQOmGeQ
Don Salieri (who looks like Paul Sorvino in "Goodfellas") has a Roadster
version ("Bon Appetit!").