Mahindra & Mahindra Ltd had sold 37,096 units in the same month last year, the company said in a statement.
M&M's domestic sales went down by 4.18 per cent to 33,047 units last month as against 34,490 units a year earlier.
Sales of passenger vehicles, including Scorpio, XUV 5OO, Xylo, Bolero and Verito, stood at 14,708 units compared with 15,530 units in July 2013, down 5.29 per cent.
Four-wheel commercial vehicle sales declined by 9.22 per cent to 12,472 units in July 2014 as against 13,740 units in the year-ago month, it said.
Exports went down by 3.30 per cent to 2,520 units from 2,606 units in the same period a year earlier.
M&M Chief Executive (Automotive Division) Pravin Shah said: "The overall sales during the last month was subdued and the market remained challenging. With the monsoon now setting in across the country as well as the ensuing festival season, we expect positive sentiments in the coming months resulting in enhanced demand for our products."