KIA is relatively cheaper on Maintenance
Hyundai kastha GB ochesindi dealer staff ki, emaina mana degara ke osthay services ani
baga ekuva esthunaru service bills (Metropolitans is better due to parllel dealer competition, but District levels heavy billing)
Both brands are same on Technical front though. If your budget is for CRETA/SELTOS, pls also look into VW TAIGUN