1.8l no fog lights . No back wiper. No drivers seat height adjustment. And simple cd player
1.8S fog lights. Back wiper. Simple 7 inch screen player. And driver seat height adjustment.
1.8G all of the above with 8" screen including Japanese navigation .cruise control. heated seats. Partial leather seats. Leather cover on steering wheel.
These are some basic differences i know of. I may have missed something but this is almost all