GM sells Opel/Vauxhall to PSA: is it a win-win?

This morning, General Motors confirmed that it has sold both its Opel/Vauxhall subsidiary and its European financial arm to Paris-based PSA for a total of €2.2 billion ($2.3 billion). Naturally, GM has pitched this as a win-win for itself and for PSA (formerly known as PSA Peugeot Citroen), but is it? Only time will tell, but on the face of it, the deal definitely seems to be a boost for GM. That's not just because of the company's $2.3 billion payday or the ongoing revenue GM will rec