The company had sold 48,111 units in the same month last year, HMIL said in a statement.
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In the domestic market, Hyundai sold 40,505 units last month as compared with 33,750 units in August 2014, up 20.01 per cent.
However, the company's exports declined 1.79 per cent to 14,103 units as against 14,361 units in the same period last year.
"Hyundai recorded highest-ever single month with a volume of 40,505 units and growth of 20 per cent over the last year led by strong youthful product portfolio in which the Global SUV CRETA, Elite i20 and i20 Active had volumes of more than 17,800 units," HMIL senior vice-president (sales and marketing) Rakesh Srivastava said.
This showcased customers' continued aspirational preference for new and exciting models even in these challenging times, he said.