What kind of mileage are you XFE guys seeing on a cold engine? I just took one for a spin and was impressed AND disapointed. 54 degrees F outside; completely cold car, 7.4 miles, 34.7 MPG. Good, but I was hoping for 37 from cold. Was I too "gentle" in my hypermiling, or is that a decent return?
I have two cars that are both dying; I fear one will keel over this winter for good. So I'm weighing options.
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