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2010 MPG Stats - Post Them Here

Discussion in 'Gen 3 Prius Fuel Economy' started by BH1973, May 27, 2009.

  1. TonyWilkey

    TonyWilkey Member

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    Picked up my Prius on 12/4. My drive to work is 7mi of mostly city stop and go. Temperatures have been between 5-45F. My first tank was 32.9mpg. Pretty disappointing even considering the low temperatures.

    About 25% of the tank was drives at 55-65mph for about 30-45min periods. About 80% of the tank was driven in eco mode.

    I am going to measure a few more tanks before I have the dealer check for problems.

    Tony
     
  2. alfon

    alfon Senior Member

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    272.0 miles / 6.546 gallons / indicated44.2 / actual 41.55 mpg

    You will not get 50 MPG in the winter living here in Northwestern Oregon with your 2010 Prius.

    alfon
     
  3. ksstathead

    ksstathead Active Member

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    TonyWilkey, what psi are you running? Have you blocked the lower grill yet? Those are big, easy items given your short commute and cool temps. Plus, that first tank may not have been truly full at the dealer; you never know on the first one.

    New2Hybrid, the eco mode will let your engine shut down at lower temps, and lessen the impact of the climate control on mpgs. eco mode has identical power to the normal and power modes, but requires more movement of the pedal to get it, making it seem sluggish for sure.
     
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  4. 924danimal

    924danimal New Member

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    I agree.

    The MPG on my first tank wasn't what I was hoping for either. I too just picked up my first Prius (on 12/6) and am still on my second tank. So, I am waiting to see what my true MPG is.

    Also, congrats on the purchase.
     
  5. 8BA870

    8BA870 Junior Member

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    Hey All,

    New Prius owner here. I picked up a 2010 Classic Silver Metallic with the Solar package and I have to say I am thoroughly impressed with the mileage (and the quality of the car in general). I have been playing around and seeing how the car reacts to different driving techniques and today I gave it the 5 person family trip test. My wife and I along with the 3 kids loaded up and drove from Cypress, TX to the Museum of Natural Science in the Museum district in Houston. The five of us together weigh 582 lbs give or take a cheeseburger.

    **** We covered 64 miles and averaged 57.1 MPG ****

    Mostly freeway driving but the average speed was low around 37 MPH. Still, very impressive. I really love this car.
     
  6. austingreen

    austingreen Senior Member

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    Prius II with yokohama tires originally, Put 205/50R17 Continental Extreme Contact DWS tires on during the first tank, pressure at 40 psi max rating 51.

    First tank displayed 46.3 mpg, calculated 43.8 mpg
    Second tank 42.6 mpg calculated 40.5 mpg
    total 44.5 mpg calculated 42.1 mpg

    There have been lots of short trips and there was cold weather at the start of the second tank. I'm reading 50 on the display now for tank 3, and expect my normal milage and trips to settle around there. I was reading 38 on tank two for a while and it slowly rose up to 42.
     
  7. DetPrius

    DetPrius Active Member

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    Still have a lifetime average > 50 MPG but it is dropping with the temps. See jpg for lifetime details.
     

    Attached Files:

  8. DaveinOlyWA

    DaveinOlyWA 3rd Time was Solariffic!!

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    i am envious of your small differences between pump figures and MFD. when did you take delivery?
     
  9. DetPrius

    DetPrius Active Member

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    I took delivery on 7/8/09 (nice date, huh).

    As you can tell, I usually run out most of the tank, and all of the fillups at the Speedway are at the same pump, all by me, doing the same thing each time so they should be about as consistent as possible.
     
  10. DaveinOlyWA

    DaveinOlyWA 3rd Time was Solariffic!!

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    that is less than 2 months after mine. look at my sig. i am "averaging" greater than 10% difference
     
  11. DetPrius

    DetPrius Active Member

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    I see it's not just your last tank but your lifetime so at 6000 miles it should be averaging out inconsistent fills by now. We are at nearly the same mileage as my last fillup was at 6000 even. When new, I had some distance trips at 55 & 70 MPH but most of my driving now is short hops.
     
  12. ken1784

    ken1784 SuperMID designer

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    I think something wrong on your spreadsheet.
    I believe the "Calc MPG" and the "Lifetime MPG" on the first fill up should be the same.
    Anyway, attached an excel sheet of my math for you. :)

    Ken@Japan
     

    Attached Files:

  13. flbntz

    flbntz My First Toyota

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    I've had my Prius III for just over two weeks now, and have put about 800 miles on it. I averaged 46.x on the first tank, and 40 on the second, during a snowstorm. It handled well in the snow, but I was sad about the gas milage. I've heard people say, too that temperature plays a role. I like it, though, even apart from the gas milage.
     
  14. DetPrius

    DetPrius Active Member

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    Thanks Ken. I'll check it out later today!
     
  15. Bica2go

    Bica2go New Member

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    I think you're actually getting pretty good mileage. Don't forget the engine and tires need a break in period too. The cold, snow and rain will also impact your mileage. Plus, it takes some time to learn how to drive to maximize your mileage. For someone with a car just 2-3 weeks old, you're doing great! I'll look forward to seeing what you achieve in the summer.
     
  16. PriusRos

    PriusRos A Fairly Senior Member - 2016 Prius Owner

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    I've had my 2010 for 5 months now (and it just passed its 5K mile birthday) and its lifetime calculated average so far is 44-45mpg. The majority of my driving consists of very short commutes to and from the Metro station and suburban driving with a lot of traffic, red lights, and hills. It's rained a lot this year and recently we were hit with a huge snowstorm.

    I just got back from a long roadtrip to visit my daughter in Charlotte, NC over Christmas. It was a little over 400 miles each way. On the way down, the route had a lot of traffic lights and I was stuck in stop-and-go traffic for about 30 minutes. I averaged around 48 mpg on the display. Coming back, I stayed on highway almost the entire trip, the weather was slightly warmer, and there were no traffic issues - and my display showed 56 mpg average for the trip. However, I still have not managed to show a calculated tank average of 50mpg.

    I filled up once on the way down and once on the way back. On both occasions there were still 3 pips left on the gas gauge. The first fillup reflects my local driving and part of the trip on the way down. The second fillup reflects mainly highway driving but includes some local driving around Charlotte.

    Date....Display..............Gallons...Calc MPG....Var
    12/23...330 Miles 47.3 mpg...7.28......44.57 mpg...4%
    12/26...341 Miles 50.8 mpg...7.14......47.76 mpg...6%

    It seems that every time I get close to 50mpg or more on the display, the actual variance between my calculated mileage and display mileage also goes up .... so I never reach 50mpg calculated!
     
  17. PriusRos

    PriusRos A Fairly Senior Member - 2016 Prius Owner

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    I finally got my 50mpg tank -- 50.65mpg actually. However, the trip display showed 55mpg -- so that was an 8% difference -- The highest variance yet between calculated and displayed mileage.

     
  18. Tom183

    Tom183 New Member

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    Location:
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    Owned for not quite 2 weeks now, so it's all winter numbers.

    Total miles: 800 - mix of about 75% freeway (doing 70+mph) and 25% "around town" (in the 30-50mph range). Typical drive was about 35miles, one trip was 250.
    Moderately hilly terrain - no real steeps but plenty of ups and downs. Total altitude change max 400ft.
    ->Temps haven't exceeded 45F the whole time and have been mostly nearer 20F. <-
    Some rain/snow driving but not heavy - did have to defog front & back a couple times though.
    Minimal passenger loads (just me 85% of the time).
    No grill blocking but that is very very high on my to-do list.

    Total mpg (actual: miles divided by gallons): 44.5. Shutting off the heat for the first 5 miles or so makes some difference, but I didn't always do that. I did, however, wear my down winter coat from LLBean almost all the time.

    Displayed mpg: 47.1 (about 2.6mpg high)
     
  19. tiprock

    tiprock New Member

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    51.6 mpg. avg speed 35 mph according to trip computer. my best 5 min avg is about 75 mpg. driving about 55-60 on the freeway.
    400 miles driven so far. bought xmas eve. display says about 100 miles left before fill up. trying to get 500 miles per tank.
    waiting to see what the numbers are like once the holidays are over.
    surprised that driving 70 gets me 50mpg.
    so far very pleased.:)
     
  20. bobboben

    bobboben New Member

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    had my 2010 almost a week. after half a tank. 48.5 mpg..but its been very cold here in the ATL.:D
    oh a bit of history here..i just rejoined priuschat. had a 2003 which i drove for 3 yrs ave. 50.0 mpg..my daughter is still enjoying this car. its been a winner. thus i have returned from MINI to prius. the contrast is amazing..i loved the MINI, but as much, the prius.