Gen1 = 1962-1968
Gen2 = 1969-1972
Gen3 = 1973-1977
Gen4 = 1978-1987
Gen5 = 1988-1996
Gen6 = 1997-2003
Gen7 = 2004-2008
The G8 is like the eighth gen Grand Prix and the G6 is like the sixth generation Grand Am. I know, no relevance there, but still interesting.
