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Discussion Starter · #1 ·
Below is a PM I sent Mike.


As I am sure you know, US spec F-Type has an option to set the instrument panel to "English" and "English US". I have always assumed that the main difference between the setting was the use of Imperial Gallons or US Gallons for the MPG calculations.

I have had my F-Type for a little over a year now and have been manually computing my MPG. I have noticed that the Instrument Panel has always overstated my actual MPG by about 1.5 to 2 miles per gallon. Per the recommendation of another forum member, I changed my setup from English US to just English and I expected the actual mileage to be a lot lower than the computed MPG since Imperial Gal are larger, but I found the same 2 miles overstatement. I am wondering if the Jag programmers forgot to change the MPG formula for US gallons.

Thanks for any help you can give me.
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