I have seen the new Pontiac G8 wagon...a classic wagon after many years http://www.topspeed.com/cars/station-wagon-estate/ke143-pa50.html
The roof line looks like the Dodge Magnum. If Pontiac gets it, then will other GM marques? A Chevy Malibu wagon?
I couldn't find the G8 on a white background, but found a picture of the Holden that it is based off of and added it to the rotating banners