I agree, but optimum speed for 4AT is around 60km/h, that's the least possible speed for overdrive gear. Wind resistance not very big as well. Saying Latio most efficient at 100km/h is just wrong, the RPM and wind resistance is too high. Cruising at that speed will only give you 16km/l at most, cruising at 60km/h can get 20+km/l.
Wah Piangz.. bro pls don't do that (60km/hr) on the expressway.. especially during peak hour...
60kph can get 20km/l?if so I don't mind blocking the road...but if 100kph can get 14km/l and I save 40minutes per 100km or 3hours weekly