“It's also possible that it keeps a buffer of ~1 gallon of gas that it never tells us about, when quoting the total range, and it eats into this buffer without

“It's also possible that it keeps a buffer of ~1 gallon of gas that it never tells us about, when quoting the total range, and it eats into this buffer without telling us.” I am fairly confident that something similar is happening with my Honda. I thought I was going to run it dry, but then it just sat at 10 miles remaining for at least another 15-20 miles before I reached a station.