View Single Post
Old 07-02-2010, 05:03 PM   #27 (permalink)
RobertSmalls
Left Lane Ecodriver
 
RobertSmalls's Avatar
 
Join Date: Aug 2008
Location: Buffalo, NY, USA
Posts: 2,257

Prius C - '12 Toyota Prius C
Thanks: 79
Thanked 286 Times in 199 Posts
There's 16% more aero drag at 60mph than at 55mph, and you had an 11% increase in fuel consumption per mile. That sounds about right to me. You don't really hit a wall until lean burn fails at 75mpg, a little over 65mph.
  Reply With Quote