2002–2012; 2014–present
Copen
Daihatsu Copen
Japan's kei-car rules cap engine displacement at 660cc and hold overall dimensions to roughly 3.4 meters long, 1.48 meters wide, and 2.0 meters tall, with the industry itself long self-limiting kei engines to about 64 PS. Those constraints, the same ones that shape cars like the Suzuki Cappuccino, are the box Daihatsu…