I don't know where you saw the Volt's costs you posted but they clearly don't include design or development costs. The $35k sale price doesn't all go to GM either.
A turbo-4 with all the necessary hardware (intercooler etc) likely weighs at least as much as a V6, so I wouldn't expect a handling improvement just on the basis of the engine. In my mind the V6...
I was first in line when they came out, and was dismayed that the only way to get an automatic (which made more sense for my wife) was to take the awful Mitsu-sourced 2.6L 4-banger. So we went...
Anything but another CVT!
"Made on the Sierra frame".... So I'm guessing this is a mid-size in name only. I bet it weighs north of 4200 lbs. in base trim. Not my idea of "mid-size".