G6BA 2003 Kia Optima 2.7L V6 MPI Engine 2.7 liters / approximately 2,656 cc 2003–2003 View engine information
G4JS 2002 Kia Optima 2.4L MPI Engine 2.4 liters / approximately 2,351 cc 2002–2002 View engine information
G6BA 2002 Kia Optima 2.7L V6 MPI Engine 2.7 liters / approximately 2,656 cc 2002–2002 View engine information