Quote:
Originally Posted by Greggers72
My 2010 Ford Focus has an info-centre with a fuel consumption computer display, how accurate are they?
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Modern on-board computers tend to be rather accurate ... in normal driving.
Mine (in what is essentially a repackaged Focus) used to be accurate down to around 3% either way before I started hypermiling. Often it was spot-on.
Hypermiling, I'm seeing deviations of up to 10%, and it usually reads low.
It won't beat a well kept fuel log
