[Lightfoot]

I found a thread about a different '79 GP 4-spd that was for sale five years ago in Saskatchewan. This dude came up with a production number of 239.

http://www.turbobuicks.com/forums/pa...speed-car.html

[Lightfoot]

Originally Posted by Mustang_Don;

FYI,
I just got an email from Jim Mattison, PHS, and he had done some research on the subject and found out there were 239 1979 Grand Prix 4 speed made. This included the base. LJ and SJ model. The number for each model was not broke out. No T-top data was available
Take Care,
Don

OK, this was posted in 2006, so evidently that is where the Saskatchewan seller got his "research" in the 2008 'for sale' post.

http://www.pontiactalk.com/forum/showthread.php?t=327

Post number 4 in the above thread contains the phone number of last year's eBay car (the black one with T-tops) which may still be in his posession.