Honda City 2013 1.3
switched from 5w 30sm honda oil
to
caltex havoline 5w 40sn better API grade than honda oil which is sm
engine sound is alot smoother
fuel consumption has improved
plus i am changing oil at 6500km now before it was 5000km
have driven 15000km without any problem on long journeys 17km to 19km with ac speed between 80-90-100km gt road
and locally 13km to 15km with ac speed between 20-30-50
please never ever use 20w 50 in new cars always follow owner manual for better understanding many thanks..