 The 2011 Chevrolet Volt was officially launched on November 30 , 2010 at a ceremony at the Hamtramck plant , where the first production unit for retail sale came off the assembly line . The first retail vehicle was delivered to a customer in Denville , New Jersey on December 15 , 2010 . GM reported it had built 12 @,@ 400 Volts in total through December 2011 . This includes dealers ' demo vehicles in North America and Amperas in dealerships in Europe , crash test vehicles and other unavailable Volts owned by GM . 
