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MPG Update

Today I filled up the tank.  For consistency I went to the same pump I used last time.  The car took 9.826 gallons (with no "top off"); the tank mileage was 434.6 miles, leading to an average of 44.23 mpg.

The car's MPG reading, which I had reset before this tank, was 45.2 mpg; it seems to be reading a little high (2% in this case and 6% high last time).

Driving conditions were approximately 45% highway (55-65 mph), and 55% suburban, rolling-to-hilly terrain. I generally left A/C off but not always.

Not bad for a car whose EPA rating is 41 city / 36 highway!  :-)

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Reader Comments (2)

This sounds much like the difference I used to experience on the Prius, the computed MPG was normally about 6-7% below the actual MPG as measured by (the average of) miles/gallons.

July 6, 2009 | Unregistered Commenterjeff_h

Except the FFH is reading higher than actual not lower :-(

July 6, 2009 | Registered CommenterBill Wood

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