complaints about price markups due to the Volt's initial limited supply. Chevrolet Volt Manufacturer Chevrolet  division of General Motors Also called Holden  Volt Opel  Ampera Vauxhall  Ampera Production Dec 2010–present Model years 2011-present Assembly Detroit, Michigan ,  United States ( Detroit/Hamtramck Assembly ) Class Compact car Body style 5-door  hatchback Layout