I just looked at Tire rack, they e-mailed me with updates. There is now 26 different rims for the G6GT, starting at $125.
No, I do not work for The Tire Rack.

Here are the links to the site

Click here (http://www.tirerack.com/upgrade_garage/WheelSearch.jsp?&autoMake=Pontiac&autoModel=G6+GT+Sedan&autoYear=2005&autoModClar=) for the G6GT

Click here (http://www.tirerack.com/upgrade_garage/WheelSearch.jsp?&autoMake=Pontiac&autoModel=G6+Sedan&autoYear=2005&autoModClar=) for the G6 Sedan

*These links will take you to tirerack.com