Thread: I got 32.2 MPG!
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Old 08-03-2013, 01:03 PM   #6
JimC's Avatar
Join Date: May 2006
Vehicle: 2013 MCA convertible
Location: Michigan
Posts: 5,301

Hand calculation is still just an estimate you realize? You are assuming that when you fill up nothing has changed and that you are putting exactly the amount of gas in your car as you burned since the last fill up. But differences in pressure at the pump, temperature, the vapor in your gas tank, sensor on the pump to shut off, will all affect how much you are putting back in.

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