Saturn also sold
It seems like GM can sell their brands fairly easily, so why not Pontiac as well? It is too bad the last Pontiac to be sold will be a Vibe (built in a joint venture with Toyota).
It seems that Saturn will continue to be American-owned, though it is going a different direction in the future. The buyer is a group of car dealers, so I suppose it is only natural that the dealer will put together cars from other makes and sell them as Saturns.