What wheels are these?

They look like Buick rallye wheels of a early to mid '80s Skylark. The Buick Skylarks of that era hade the 5-100mm bolt pattern which is damn close to the 5 on 4" pattern. Those cars are front wheel drive that is why the offset is the way it is.

Just like these.
http://cgi.ebay.com/ebaymotors/1984...628894018QQcategoryZ16124QQrdZ1QQcmdZViewItem