The company had sold 8,327 units in April last year, Toyota Kirloskar Motor said in a statement.
Sales in the domestic market also grew by 63 per cent during the month at 12,325 units as against 7,562 units in April 2014.
The company exported 1,334 units of Etios series this month, it added.
Toyota Kirloskar Director and Senior Vice-President, Sales and Marketing N Raja said: "The growth in sales can be attributed to the growing popularity of our Etios series, especially after the introduction of the Etios Cross last year".