It first debuted at the 2001 Tokyo Motor Show, as the Daihatsu OFC-1 concept, based on Daihatsu's front-wheel-drive light-car platform.
It first debuted at the 1999 Tokyo Motor Show, as the Daihatsu Copen concept. In two years, the OFC-1 was also completed as a precursor to the Copen, based on Daihatsu's front-wheel-drive light-car platform.