More from the Detroit auto show. Apparently the corvette engineers have had a hand in developing the Sonic's suspension which is some good marketing talk.
Also, bad news for those hoping to swap turboes / manifolds. This makes it a bit more difficult to do.
Detroit 2011: 2012 Chevrolet Sonic is not an Aveo - AutoblogThe 1.4L's turbocharger is integrated within the exhaust manifold, for reduced weight and greater packaging flexibility in small vehicles.
They have also released a "Sonic Z Spec" concept car. Although there is no info on what is actually different about this vs the normal cars.
2012 Chevy Sonic shown off as sedan and hatchback - Autoblog