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How do you find your average MPG?

Discussion in 'Prius c Main Forum' started by Ardentauthor, Jan 13, 2013.

  1. Ardentauthor

    Ardentauthor New Member

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    I know the display is a trip-by-trip basis, but is there a screen that displays your overall mileage? Does it show up when you fill up the car, or is it something you'll have to average yourself?
    Sorry if this is a dumb question. I've read (skimmed) the owner's manual twice and didn't see anything.
     
    #1 Ardentauthor, Jan 13, 2013
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  2. WD0AFQ

    WD0AFQ Active Member

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    I use " Trip A" for the tank ful of fuel. It will show the mileage for you til you reset it. For over all I am using "Trip B", and don't reset it. When we travel I will reset B but it has not been reset for the last 6,000 miles so I can see the average overall. Some of us use the bar graph for instant mileage and some of us use external gauges, ScanGauge and Ultra Gauge. If I did not answer what you needed to know, let me know and I will try it again. No "dumb" questions.
    Dan
     
    #2 WD0AFQ, Jan 13, 2013
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  3. leroyeveritt

    leroyeveritt New Member

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    There should be a display button somewhere, mine is on the steering wheel...hit that a couple times, watch your screen and your overall average should show up on one of the displays! Might be different for the C though, idk!!
    Good luck!
     
    #3 leroyeveritt, Jan 13, 2013
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  4. JimboPalmer

    JimboPalmer Tsar of all the Rushers

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    I can recommend Fuelly.com
     
    #4 JimboPalmer, Jan 13, 2013
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  5. Ardentauthor

    Ardentauthor New Member

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    Thanks for your response. My "Trip A" says my average MPG is only 37, but my individual screens are always high 40's to 50's...Where did that number come from?
     
    #5 Ardentauthor, Jan 13, 2013
  6. WD0AFQ

    WD0AFQ Active Member

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    I don't know. Reset it when you fill it up then use a calculator to see if it is right. We all seem to find that that reading is liberal by one to three miles per gallon. Mine is a little over a mile per gallon liberal. Your's might be cheating you. But, I watch my instant MPG on a ScanGauge. It is often at 75-80 mpg but my average will be 45-50 because of "take offs" at 12 mpg or so. I also like to "stomp" the accelerator at times, just for the fun of it. That will drop my instant mileage into single digits. If your 5 minute averages are all over 50 then one of them might be "off".
    How many miles do you have on your C?
    Dan
     
    #6 WD0AFQ, Jan 13, 2013
  7. Ardentauthor

    Ardentauthor New Member

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    That makes sense...
    I only have about 160 miles now. I'll see about it when I next fill up.
     
    #7 Ardentauthor, Jan 13, 2013
  8. Alex Cordero

    Alex Cordero New Member

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    Fuelly.com


    iPad ? HD
     
    #8 Alex Cordero, Jan 14, 2013
  9. Yoda1nzfxe

    Yoda1nzfxe Junior Member

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    With a fuel receipt, a trip computer, and a calculator. The car’s computer is usually 3 mpg off. Don’t trust it
     
    #9 Yoda1nzfxe, Jan 25, 2018
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