The company had sold 5,490 units in the August 2012.
HCIL reported 63 per cent increase in its domestic sales at 8,913 units for August 2013.
The company had sold 5,470 units in the same month last year, HCIL said in a statement.
During August, the company sold 953 units of its sedan City and 1,508 units of small car Brio. It also sold 62 units of premium sedan Accord.
Besides, HCIL sold 6,242 units of its latest sedan Amaze last month.
The company sold 148 units of its sports utility vehicle CR-V in August 2013. In addition to these sales, the company also exported a total of 556 units during August 2013.
Commenting on the numbers, HCIL Senior Vice President (Marketing and Sales) Jnaneswar Sen said: "HCIL overall sales volume during August 2013 was quite robust. With the onset of festival season in West and South India, we have tried to maximize the production of Honda Amaze during August to be able to speed up the deliveries".