strange maybe true, but as far i remember bonnet and grill change was done in 79,, i dont remember 78 model. i always thought 78 was similar to 77
but again corolla variants had minor differences in different parts of world..(countries) so this could be 78 -79 different variant if not done later by modifier who lowered the car in pic
brown car pic posted is a DX (deluxe) model