Top 20 - MPG Record Holders

Discussion in 'Gen 3 Prius Fuel Economy' started by F8L, Jul 25, 2012.

  1. xraydoug

    xraydoug Active Member

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    I set a new personal record. Over 700 miles and over 79 mpg on display. Calculated at pump shows 78.5 mpg.
    here's my pic.
    20140713_110717.jpg
     
  2. xraydoug

    xraydoug Active Member

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    I did it 50 psi in tires. Summer with no air conditioning. 25 mph. Just over 700 miles 20140713_110717.jpg
     
  3. Vman455

    Vman455 Active Member

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    I don't go out of my way to fill up--I drive right past the gas station at the end of my long-ish commute, and prefer to fill then rather than coming back and stopping the other way when the car is cold.
     
  4. xraydoug

    xraydoug Active Member

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    I guess the top 20 list is dead. I posted a tank ranked at #6 according to current list and no update in like a month.:( I wanted to be on the list.:confused:
     
  5. dhanson865

    dhanson865 Expert and Devil's advocate

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    F8L hasn't logged on here since Jun or July, he might drop by later and update the list but for now you might want to copy/edit the list in your own post (check the messages since his last edit and make a new version of the list).
     
  6. MattPersman

    MattPersman Member

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    Even better if someone spends lots of time on here and wants the task a hand start a new thread I would make more than one list because a c is gonna be able to Kill a gen 3 lift back, etc
     
    mozdzen likes this.
  7. markabele

    markabele owner of PiP, then Leaf, then Model 3

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    I would be willing to start one, but only with F8L's blessing. This is his baby.
     
  8. MattPersman

    MattPersman Member

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    Still holding on for him a week later? Lol
     
  9. DoubleDAZ

    DoubleDAZ Senior Member

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    There's nothing wrong with linking back to F8L's thread and if he comes back, he can always wrap your posts into his thread. The moderators here can probably even merge the 2 threads at that point if need be. I say, "go for it". :)
     
    #809 DoubleDAZ, Aug 14, 2014
    Last edited: Aug 14, 2014
  10. markabele

    markabele owner of PiP, then Leaf, then Model 3

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    ok...talked me into it

    I will work on a new thread when I have some time later tonight.
     
  11. markabele

    markabele owner of PiP, then Leaf, then Model 3

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  12. Dimitrij

    Dimitrij Active Member

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    Oops wrong thread
     
    #812 Dimitrij, May 12, 2015
    Last edited: May 12, 2015
  13. Mike Bee

    Mike Bee New Member

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    I only drove about 60 miles, but I got a new record of 74.5 mpg. I think that's really good. I just want to give a description of how I did that to help others. I'm not looking for an acclaim. LOL! Today I tried a new technique. Basically, I tried to drive with the ICE running as moderately as possible. That's to say, I tried to have my MPG indicator hover around 50 mpg with the internal combustion engine running. That kept the battery charged. When on a flat for example in EV, I hit my cruise control up once or twice to engage the ICE. Then when I was going downhill, I would be on EV with 100 mpg. Going uphill slowly. I tried to keep my mpg as close to 50 mpg as possible. 34 mph seems to be a sweet spot. Of course I have other tricks. First of all, I use cruise control as much as possible. It does a much better job than I do. Putting the car in neutral lets the car roll further, pick up more speed going down hill, but unfortunately doesn't charge the battery. On steep down hills, putting the car into B charges the battery rapidly. If I have to stop for a light, I always put the car into D to slow down because it charges the battery. BTW, I always put my emergency blinkers on when I do this and only when it's safe. I was in the country on four lane roads with very little traffic. 2013 Prius 3.
     
  14. Grit

    Grit Senior Member

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    o_Oo_Oo_Oo_Oo_Oo_Oo_Oo_O
     
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  15. priusCpilot

    priusCpilot Active Member

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    Be careful with neutral and coasting. Damage can occur
     
  16. fuzzy1

    fuzzy1 Senior Member

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    [​IMG]
    (NB: this was not at all typical for me, nor under 'normal' conditions either.)

    Others have done this for much greater distances, on flatter routes. There is an old 100 MPG thread around here somewhere.
    When you get good, you'll do better than cruise control.
    It also puts MG1 at risk of overspeed, if the ICE is off and than you roll up to above 46 MPH in a Gen3. (Other generations and model families have different threshold speeds. Actual damage speed is unknown, as an undetermined amount of safety margin is built in.) For safety and legal reasons, just keep it in D and feather the gas pedal to zero out the HSI meter.
    Don't do this unless the hill has more than enough vertical to fully charge the battery with the regular brake pedal and D gear. For shorter hills where you don't fully charge the battery, using B is actually wasting energy.
    Judicious use of the brake pedal (still in D, not N), not pegging the Charge portion of the HSI meter, does the same thing. Though 'coasting' in D with the HSI meter at zero (no thrust, no battery charging) will do the best overall, taking a long slow rolldown that will very seriously annoy any following traffic.
     
    #816 fuzzy1, Aug 21, 2019
    Last edited: Aug 22, 2019
  17. Tekken

    Tekken Junior Member

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    Man.. I see all you guys are driving with happy MGP.. My 2013 Prius Only can on 52.2mpg and Average speed 19mph.

    20190808_165240.jpg
     
  18. fuzzy1

    fuzzy1 Senior Member

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    Note that my picture above was not at all typical, nor under normal conditions. It was a special case.

    There is nothing significantly wrong about your 52 MPG, though that display is a bit 'optimistic', meaning your real number is closer to 50. Your car's original EPA sticker listed 51 City, and has since been revised down (by changing EPA test rules) to just 49 City.

    But with care, you should be able to do better. On the original federal CAFE scale, your car tests out at over 70 MPG, and if you work hard enough, that ought to be within reach. Though that would probably require no A/C, all accessories off, and either a pre-warmed engine (reset the Trip meter after warmup) or a very long trip, and far more attention to minor driving details than nearly all commuters are interested in.

    Please check out the fuel economy questionnaire I posted to the other thread.
     
  19. Ferls80

    Ferls80 Performing some hypermiling techniques.

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    This is my last tank. The average fuel consumption is much better than standard prius values. To achieve good results it is necessary to have long commutes (at least 20 - 25 km. Summer and warm temps help as well). If your daily scenario is made of short commutes (5 - 8 km) this average is not achievable. The system (mainly ICE, transaxle) needs time to warm up and get the best efficiency. PhotoPictureResizer_190802_185750087_crop_2655x1049.jpg
     
    RMB and fuzzy1 like this.
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