I got a few times i drove an Hyunda i30 (2012) with the 1.6l benzine at 120km/h (75mph) i averaged 4,9l/100km (48mph US).
I did almost no hypermiling. Except letting the throttle go soon enough for dfco.
So you will get there if you practice enough
Good luck!
__________________
Drive smart, save fuel, save money, spare the enviroment
But keep having fun!
I can drift
Previous car. SUV. From 2011
+ 10l/100km to 2017
5,516l/100km.
2017 without holiday:
5,397l/100km
EPA Rated average: 8,1l/100km
Current ride: plug in 285hp hybrid
EPA Rated average: 2,8l/100km