Hyundai Motor affiliate Kia Motors has booked first quarter net profit up 26% to KRW1.2 trillion (GBP625m).
Revenues rose 10.6% to KRW11.8 trillion (GBP6.5bn) on unit sales up 12.4% to 635,000.
Domestic sales fell but all other markets saw increases including the US which is now the largest.
Europe sales rose almost 25% to 79,000, China was up 14.7 to 110,000 and the Us surged 32% to 138,000.
South Korea sales fell 8% to 115,000.