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Question about MPG

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Posted by nospam on August 4, 2006, 4:59 am

I am planning on getting a new 2006 Prius.

I would like to hear from others who own a 2006 and see exactly what
your gas mileage is in the city and the highway.  Please indicate if you
use the AC and driving habits etc.

I am looking for people whom have did the math rather then just how many
miles to the fillup.

Start with a full tank.  Drive and write down miles driven.  Fillup with
fuel.  Take miles driven and divide
by the number of gallons used to fillup the car.

I know that everyone knows how to do this, but the reason I specify this
method is because I want an accurate

The window sticker says 60 in the city and 51 on the highway.  I have a hard
time believing this to be real world
mileage as I have never gotten EPA sticker mileage on any car I have ever
owned.  So before I take the plunge and
buy this car verses another to save fuel, I want to know what I'm getting

Thanks so much and any other information you find may be useful to me, please
post or E-mail directly to me.

Posted by Michelle Steiner on August 4, 2006, 5:14 am

 nospam@nospam.org wrote:

The car has a built-in mileage computer.  According to that computer, I
averaged 51-52 MPG from last September through the end of May of this
year.  Mileage dropped to about 48 in June and 46 in July, but it's now
back up to 51.

I live in the Phoenix area, and temperatures were 110+ most of June and
July.  Now they're in the high 90s or low 100s.

My driving is a mixture of metropolitan-area freeway and suburban/rural.  
I use cruise control wherever possible and try to keep it set at 65 on
the freeways.

The Prius in the US has a bladder inside the gas tank, so fillups are
not consistent because of bladder elasticity changing with temperatures.

Also keep in mind that a ten percent variance from 55 MPG (EPA average
MPG for the Prius) is 5.5 MPG, whereas a ten percent variance from 20
MPG is only 2 MPG.  When comparing variances from the EPA rating use
percentages, not absolute numbers of miles per gallon.

How do you expect anyone to email directly to nospam@nospam.org?

Stop Mad Cowboy Disease:  Impeach the son of a Bush.

Posted by B. Peg on August 4, 2006, 7:48 am

I do not understand how your Prius can get such good of mileage.   I'm in
the same hot environment in the So. Cal Central Valley and I'm only getting
38 mpg now with AC running almost always.  Very odd, although the local
dealer has no explanation as to why a couple of Pri's in a company pool vary
so widely in their mpg's.  Even though the drivers rotate between them, they
still produce the same mpg for the most part (one at 37 and the other at
46).  Must be good ones and bad ones?

Best I did was 51 mpg in San Francisco, but that area didn't require AC.
Fwiw, my AC does work pretty darn well and cools down within two minutes or
so.  Maybe the compressor drag accounts for some of the differences?

Running I-5 the way I do (85+) can get it down into the upper 20's to lower
30's.  Also, our gas is pretty watered down during the summer months with
the "blend."  Don't know if Arizona has accepted the watered-down ethanol
stuff yet?


Posted by indydoug@gmail.com on August 4, 2006, 9:58 am

I don't understand why people wonder why they are getting low MPG when
they continually drive on the interstates at high speeds while running
the A/C. The Prius is very capable of achieving over 60 MPG once you
realize it's not a sports car.

Posted by =?iso-8859-1?Q?mark=5Fdigital= on August 4, 2006, 1:56 pm

You'll notice most of the complaints come from those who are part of the
high speed congestion. So, my guess is the complaints are merely indirect
complaints. If one is all alone on the highway and still insists on
traveling 85 miles and hour and bemoans the Prius mpg's then as far as I'm
concerned they are just out of touch. Or, the complaints are really meant to
impress as if none of us ever dared to drive so fast, or can't afford to run
the AC.

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