And also rare, by 1977, to see a Toronado with a full vinyl roof. 1977 Oldsmobile Toronado - cars & trucks - by owner - vehicle... (craigslist.org)
You're late to the party, man! We started talking about this one almost two weeks ago. We decided the vinyl roof is most likely aftermarket. http://www.stationwagonforums.com/forums/threads/1977-oldsmobile-toronado.58826/