computed vs. actual mpg

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Michael N. LeVine - 16 Jun 2005 23:32 GMT

I just completed a trip of nearly 2200 miles in
my 03 Prius. The car computer says I got 53.0 mpg
while my calculations yield 50.4 mpg - a 5% error.

Is this just my car or is this consistent across
the board?

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Michael LeVine - mlevine@redshift.com
"Thirty days hath September, April, June and November.
All the rest have thirty one except for Gypsy Rose Lee
and every one knew what she had" - Mel Blanc

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Johnny - 17 Jun 2005 22:45 GMT

Michael, at least with the 2005's which I have, I believe the +/- is
about 3%. 5 is a bit high I would think. My least favorite part of my
Prius is the digital gas gauge. It is almost useless and very
inaccurate with it's "bars" progression style of display.

Jon

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Benyang Tang - 18 Jun 2005 01:15 GMT

My 2-week new Prius trys to make me happy: In the last 3 tanks, it said
51 mpg, but I calculated to be about 46 mpg.

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