which doesn't sound like a lot for an American car in the 1960s, but compared to the Trabant and Citroën, it was a monster. In 1962, a turbocharged version of the engine was introduced ...

the East German Trabant was powered by a 600cc 2-cylinder air-cooled 2-stroke engine. While it only had 18 horsepower and produced a significant amount of pollution compared to today's cars ...