Quote:
Originally Posted by 2016 Versa
I wouldn't trust the factory mileage readout. The one in my Versa is always about 4-6 MPG optimistic.
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Just FYI:
I've done 10 fill-ups in several Mirages, comparing the volume/distance calcs against the factory computer.
Results showed the factory gauge was optimistic in a range at the extremes from 1% to 9%, which equates to ~0.6 to ~5.4 MPG (US).
But most of the fills were around 4.5% optimistic, or ~2.7 MPG on the gauge. (Also FYI, I always fill the car using the same number of clicks when full, and often use the same pump at the same station.)
Smallie - I'm sure you know the car has 2 factory MPG gauges, right?
The default "A" gauge auto-resets after 4 hours of inactivity; the "B" gauge is user-resettable (good for monitoring tank MPG). Unfortunately "B" is buried in a stupidly designed user interface. (Search for the "B" gauge thread on the Mirage forum... or RTFM
)