Like the Japanese companies, GM will be offering a Cadillac sport wagon to compete with the traditional European station wagons.
See USAToday: Cadillac CTS-V sport wagon bulks up on power
Not sure why anyone would buy a GM vehicle though. Listen to This American Life's podcast about the NUMMI plant if you are ever thinking about buying GM
I hope Ford is paying attention. Perhaps a Lincoln version of the UK's Modndeo wagon?