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Better Gas Mileage With or Without Cruise?

Discussion in 'Gen 2 Prius Main Forum' started by withersea, Jul 28, 2006.

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Better Gas Mileage With or Without Cruise?

  1. With cruise?

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  2. Without cruise?

    0 vote(s)
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  1. withersea

    withersea DNF is better than DNS

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    Do you get better gas mileage during interstate (freeway) driving with cruise control?
     
    #1 withersea, Jul 28, 2006
  2. grasshopper

    grasshopper Member

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    <div class='quotetop'>QUOTE(withersea @ Jul 28 2006, 11:35 AM) [snapback]293821[/snapback]</div>
    I can get as much as 5 MPG better by regulating it myself.
     
    #2 grasshopper, Jul 28, 2006
  3. bad monkey

    bad monkey New Member

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    I find that I am more apt to vary my speed unconsciously 3mph +/- without cruise. This constant speeding up and slowing down does impact my mileage. That being said, I would rather take control for inclines and declines, where I can back off a bit on the uphill, and gain it back in coasting on the downhill.
     
    #3 bad monkey, Jul 28, 2006
  4. jmccord

    jmccord New Member

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    As bad monkey says, I think the answer is - it depends.
    On level freeway driving the built-in computers can probably optimize FE better than any human. This is especially true since this is where ICE is most efficient, and will be used almost constantly.
    However, in hilly/mountainous areas, a concientous driver might succeed in eeking out a few more mpg. The one thing the Prius does not have is down the road vision to anticipate, and take advantage of, the ups and downs.

    Oh by the way, did I say I love this car! :D
     
    #4 jmccord, Jul 28, 2006
  5. jtullos

    jtullos New Member

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    For me, I can easily do better than cruise. However, I live in hilly/mountainous areas, and as jmccord said, a human can see what's coming ahead and plan for it.
     
    #5 jtullos, Jul 28, 2006
  6. foo

    foo Junior Member

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    Cruise control is so old sk00l.. I keep trying to find this button in my Prius, anyone know where it is? ;)
     
    #6 foo, Jul 28, 2006
  7. cplourde

    cplourde New Member

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    On the LA freeways it all about the cruise control.

    Anyone else find themselves getting better mileage at 55-65 than at 45? I even get better mileage at 70...
     
    #7 cplourde, Jul 28, 2006
  8. Catskillguy

    Catskillguy New Member

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    I call it 'modified' cruise control. I keep it at 64 usually on the NY Thruway, but if there is no one behind me, I'll pop off the CC and coast when I am approaching the top of a hill, then accelerate back to speed on the flat & downhill side. (I do this also on other 'highway' roads I travel, again only not impeding someone). If I find a semi that is going 62 or so, I'll tuck myself behind it and then go slower... this way I am not impeding anyone since the truck is already going that speed
     
    #8 Catskillguy, Jul 28, 2006
  9. barbaram

    barbaram Active Member

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    try driving without cruise here on the NJ turnpike and see what will happen........maybe if you drive 80 mph or better you will be ok
     
    #9 barbaram, Jul 29, 2006
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