What is the most economic speed for Yaris?

[Kaotic Lazagna]

Originally Posted by Pars

I'm sure a few extra mpg could be had by keeping the speeds well under 75mph, but the 2mpg isn't worth being harassed in the slow lane when you could be making tracks in the fast lane or at least avoid getting pelted by rocks when the trucks are overtaking (It's usually when they change lane that the stones get kicked-up).

for me, i can at least get 45 mpg if i constantly drive 55 mph. but when i drive 75 mph constantly, it'll drope to 35 - 38 mpg.