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graesack · 04-29-2012, 10:40 PM

Last evening, I took my brand new Prius c on a round trip of about forty miles. Averaged 56.1 mpg per the display. That was on factory tire pressures.

Same time this evening, I took the exact same route. Today I set my tire pressures at 40/38 and installed a lower grille block. Ran the same 60mph on the freeway and speed limits elsewhere. Conditions were the same. Temp on SG ranged between 186 and 195. Average for the same trip was 60.2 mpg per the display.

Not very scientific, but interesting to me.

All the best.

04-29-2012, 10:40 PM	#1 (permalink)
graesack EcoModding Lurker Join Date: Nov 2009 Location: Lacey, WA Posts: 38 Pc3 - '12 Toyota Prius c 3 90 day: 49.3 mpg (US) Thanks: 17 Thanked 5 Times in 4 Posts	Unscientific observation. Last evening, I took my brand new Prius c on a round trip of about forty miles. Averaged 56.1 mpg per the display. That was on factory tire pressures. Same time this evening, I took the exact same route. Today I set my tire pressures at 40/38 and installed a lower grille block. Ran the same 60mph on the freeway and speed limits elsewhere. Conditions were the same. Temp on SG ranged between 186 and 195. Average for the same trip was 60.2 mpg per the display. Not very scientific, but interesting to me. All the best.