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Hybrid Vehicles Toyota Prius Toyota Prius MPG-Real World Numbers
694 messages, Last post on Jul 01, 2009 at 9:44 AM
You are in the Toyota Prius Forum. Your Host is pf_flyer
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Replying to: prius2007 (Oct 27, 2008 7:30 pm) |
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Replying to: jana6 (Oct 24, 2008 4:40 pm) I think you answered the question yourself; what people "claim" in reports on the internet is not necessarily what they actually got. There are various possible reasons for this, such as incomplete refills and reporting only the highest calculated outliers. But the idea that you're doing something "wrong" by getting only 44 mpg; ummm - - - I think you're beating yourself up over nothing. Quite a few people I know drive the prius where I work; we also have some in our fleet that I've tried. They all get low to mid 40's mpg on average. Nobody gets even 50 mpg, and none of them post on edmunds. Hope this helps you feel better. |
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Replying to: phd86 (Oct 28, 2008 7:44 pm) ...followed by many more and higher MPG numbers. |
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Replying to: phd86 (Oct 28, 2008 7:44 pm) how is this possible given your stmt?!!! link title I finally broke the 100 mpg/tank barrier! On 9/16/08 I filled up with 8.58 gallons after traveling 867.4 miles for 101.096 mpg. link title __________________ |
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Replying to: phd86 (Oct 28, 2008 7:44 pm) re"Nobody gets even 50 mpg, and none of them post on edmunds." Is that so?!!! Then what is this:  link title http://www.edmunds.com/toyota/prius/2009/consumerreview.html HMMM phd really does mean "Pile it Higher and Deeper"!!! 
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| I have a 2008 prius with pg 2 and have driven just over 5000 miles and my real MPG is 48.6. | |
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Replying to: prius2007 (Oct 27, 2008 7:46 pm) Due to variabilites beyond our control from the gas station to the fuel tank/bladder to the outside environment watching one tank or another is far too specific ( looking at a tree ) to have any concern. Only after accumulating a sufficient amount of data can one really determine what the vehicle truly is using in fuel. This will take a year or two ( the forest ). And the result will be be about 47-48 mpg. A couple of other important suggestions: 1. Short trips are death on fuel economy. You can see this on your MFD every day that you drive. Look at the first 5 min bar on the CONSUMPTION screen. It will almost always be 25-35 mpg. THIS is the anchor that is holding down your average fuel economy. Having to overcome this first 5 min of relatively inefficient driving brings down your daily/weekly average. DON'T TAKE SHORT TRIPS!!!!! 2. DON'T STOP - EVER!!!! This may seem ridiculous but no vehicle can overcome Newton's First Law of Physics. Succinctly a body at rest will remain at rest unless a superior force overcomes it's inertia. When you come to a stop light or stop sign normally you will stop the vehicle. It takes a huge amount of energy to get the vehicle rolling again. That energy always comes from the ICE through burning fuel. Now some of it may have been stored in the battery previously so it's the stored energy that first gets you rolling away from a light but all that does is deplete the battery quickly such that the ICE has tokick in sooner and replace the used energy in the battery reserve. You will likely get your best fuel economy on a 30-60 min trip where you never have to stop and you must keep to driving at about 35 mph due to traffic or to road laws. I've averaged 65 mpg for such a 50 mi trip. 93,000 miles with a lifetime average of 2.1 gpc used ( 47.9 mpg ).
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Replying to: phd86 (Oct 28, 2008 7:44 pm) |
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Replying to: cdhc (Oct 24, 2008 6:11 pm)
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Replying to: kdhspyder (Oct 29, 2008 10:36 am) 2. DON'T STOP - EVER!!!! This may seem ridiculous ...When you come to a stop light or stop sign normally you will stop the vehicle. It takes a huge amount of energy to get the vehicle rolling again. You will likely get your best fuel economy on a 30-60 min trip where you never have to stop and you must keep to driving at about 35 mph due to traffic or to road laws." Thanks for the great  advice spyder! "Don't stop - ever" ... "normally you would stop...". You must have a lot of followers, based on my observation of driving behaviour. Can you please help me with my mileage? I'm struggling So far have driven 26,999 miles since Apr 2007 and pumped 455.46 US gallons of fuel. No matter how hard I try I can't average " And the result will be be about 47-48 mpg". I can't even get that on a single tank let alone overall. Can you help me out please? I do stop when I have to (stop signs/light ...) and I do take frequent longer trips than the 30-60 minutes you stated as best for MPG. I admit  driving on the HWY (50% of my driving is HWY) and do go up to and over 60 MPH. Are these the reasons why I can't get your predicted 47-48 MPG? Thanks in advance for all your help Gabe
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