The company said its domestic sales grew by 5.8 percent during the month to 75,145 units as against 71,024 units in July last year.
Sales of mini segment cars, including M800, Alto, A-Star and WagonR, grew by 15.8 percent to 33,587 units as compared to 28,998 in the year-ago month, MSI said in a statement.
The company, however, said sales of the compact segment comprising Swift, Estilo, Ritz were down by 11.9 percent to 13,882 in July this year as against 15,759 units last year.
MSI said its popular compact sedan Dzire posted 33.6 percent sales growth during the month under review at 15,249 units as against 11,413 units in July, 2012.
The company's mid-sized sedan SX4 registered a dip of 52.6 percent to 322 units as against 679 units in the same month last year. There was no sale of premium sedan Kizashi during the month.
Sales of utility vehicles, including Gypsy, Grand Vitara and Ertiga, stood at 4,562 units in July this year, down 37.5 percent from 7,294 units in the corresponding month last year.
Exports during the month were down 27.3 percent to 8,154 units as compared to 11,210 units in July last year, MSI said.