Hyundai Motor and Kia Motors combined domestic sales fell by 12% year on year to 93,254 in November, for a market share of 78.3%, according to data released by the companies.
The lower sales reflect fewer working days during the month and high year earlier comparisons.
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The two brands have also come under increasing pressure in their home market from imports, as western luxury brands have continued to expand into this market – albeit from very low levels.
