The company said its domestic sales increased by 14.6 per cent during the month at 64,143 units, against 55,952 units in May last year.
Its M800 model recorded 25.2 per cent increase at 6,830 units in May this year as compared 5,456 units in the same month last year.
The A2 segment comprising Alto, Zen Estillo, Wagon R and Swift registered a combined growth of 14.5 per cent at 44,539 units, against 38,889 units in the same month last year.
The company said in May month, Swift recorded its highest ever sales, clocking 10,408 units in May 2008. The A3 segment comprising SX4 and Swift Dzire recorded 18.7 per cent increase at 5,946 units, compared to 5,009 units in May last year.
Exports during the month stood at 4,858 units as compared to 3,448 units in the same month last year, up 40.9 per cent.