Maruti Suzuki, the market leader, achieved its highest-ever domestic passenger vehicle sales in July at 1,96,203 units. This is a whopping 43.4% increase from the 1,37,776 units sold in July last year. Hyundai Motor India Ltd also posted its best-ever monthly domestic sales at 54,210 units last month, a 23.3% jump from the same month last year.