South Korean automakers' domestic sales have been hit hard by the rising popularity of foreign cars in almost all segments, data showed Sunday. Combined sales of the five automakers -- Hyundai Motor, Kia Motors, GM Korea, Renault Samsung and Ssangyong -- reached 1,007,289 units in the first nine months of this year, down 0.7 percent on-year from 1,014,026, according to the data