Filled Prius 11 2011, (10,000miles) in Livermore on I580-I5 going to Torrance,Ca...no Mode's, tire pressure as stated on door....going 60 to 70's...going up Grapevine at 64mph...usually It takes me 6hr with one stop...took 7 hours...taking it easy. 54.48 mpg....very satisfied..since getting my Prius no Mode's just pulsing in the City....very steady on cross winds...