The 2011 Chevrolet Volt is a midsize five-door hatchback sedan with seating for four.This June, the Cruze mules will be retired, and for the first time, the Volt’s powertrain will be mated to the Volt body.“The beauty of the Volt is the size of the battery,” affirms Posawatz. Weighing in at 400 pounds, the lithium-ion pack allows the Volt to travel as far as 40 miles on electric power. (Having a