Daihatsu Tanto Custom In November, the Daihatsu Tanto regains the lead of the Japanese Kei cars ranking with 13,217 sales, ahead of the Suzuki Wagon R at 12,881 sales. Year-to-date, the Tanto is #1 too with 180,716 sales vs. 180,177 for the Wagon R. 2010 could very well be the first time in 8