Daihatsu Copen * NOW UPDATED with the Top 33 best-selling models and Top 8 brands! Thanks Stephen * Sales of new Kei cars are up 2% year-on-year in June to 187,384 units and 15% year-to-date to an all-time high 1,235,204 registrations, with the Daihatsu Tanto keeping the lead for the 7th conse