 Sales of the 2011 Volt began in the U.S. in mid @-@ December 2010 followed by various European countries and other international markets in 2011 . Global combined Volt / Ampera family sales totaled over 110 @,@ 000 unit by the end of March 2016 , with the U.S. as the leading market with over 96 @,@ 600 Volts delivered through May 2016 . Canada is the world 's second largest market with almost 6 @,@ 400 Volts sold through May 2016 . About 10 @,@ 000 Opel / Vauxhall Ampera cars had been sold in Europe as of December 2015 , with the Netherlands leading the European region with almost 5 @,@ 000 Amperas and over 1 @,@ 000 Volts registered . The Volt / Ampera family of vehicles is the world 's all @-@ time best @-@ selling plug @-@ in hybrid vehicle as of March 2016 . 
