Workers inspecting the VW Tiguan and Touran models coming off the assembly line in Wolfsburg, central Germany. Volkswagen, Europe’s biggest carmaker, said its net profit soared by 40.9 percent to a record €21.7bn ($28.6bn) in 2012 as revenues rose by 20.9 percent to €192.7bn and deliveries to customers were up 12.2 percent at 9.276 million vehicles.