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Originally Posted by Spuds
Not sure why the mileage needs adjusting in all cases. Here is my average mileage last night on my commute home in my Touareg last night, driving a steady 50-60 in traffic:
21.7 mpg.
Sorry about the phone camera quality.
(The yellow light at the top is because one of my turn signal lights is out.)
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those gauges can be misleading. are you certain that was AVERAGE mpg?
i have noticed that on vehicles with flo scan type fuel efficieny indicators, they are particularly sensitive to driving conditions at the moment.
for instance, at 60mph that gauge would show three wildly different results depending upon whether you were;
1) at a constant rpm to maintain 60mph (assuming a flat surface),
2) coasting, or
3) accelerating to 60mph.
i like those monitors. we have them on our boat and it provides all sorts of great info including fuel economy, engine hours, ignition history, rpm history, booster load, etc. the ones in boats are more reliable since boats are typically operated at a relatively constant rpm, unlike cars.
i would be curious to know your lifetime to date average mpg for your touareg.
i do not have the fuel indicator in my h3, but am sure the lifetime average is around 13-14mpg, as i calculate it after each fill up - i am an accountant. that is on an adventure package and my typical driving is short trips with about 30% off-pavement. sure beats the mileage from my last three trucks though!!!!
1995 Bronco 302 11mpg
1992 Bronco 351 10mpg
1994 F150 351 11mpg