grand prix gxp

[PALMCASTER GT1]

ok , i like the g8 gt and i have a 04 gt1 n/s ,i want a other car and we have been looking at the g8 , but for the money they want .
i also thought about the grand prix gxp they are alot cheaper then the g8,but i need some info on them,what year did they first come out ? what mods can be done? and what problems dose it have??need info