The Daihatsu Sigra threepeats at #1 in Indonesia. New vehicle wholesales in Indonesia sink -26.1% year-on-year in March to just 74,724 units, leading to a Q1 volume off -23.8% to 215,069. Meanwhile retail sales drop -14.8% to 82,092 and are down -14.9% year-to-date to 230,776. In the wholesales brands ranking, Toyota…