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Thread: Full tank vs. half tank (effect on fuel economy?)

  1. #1
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    Post Full tank vs. half tank (effect on fuel economy?)

    Has any one noticed this or is it just me? I get more km when I put only half a tank of petrol rather than a full tank.


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        click to view fuel log View my fuel log 2014 Mirage GLS 1.2 manual: 56.5 mpg (US) ... 24.0 km/L ... 4.2 L/100 km ... 67.8 mpg (Imp)


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    Moderator Eggman's Avatar
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    Quote Originally Posted by K1lla View Post
    Has any one noticed this or is it just me? I get more km when I put only half a tank of petrol rather than a full tank.
    This doesn't make sense - how can one drive farther on half the amount of fuel?

    I must be misunderstanding this...

        __________________________________________

        click to view fuel log View my fuel log 2015 Mirage ES 1.2 manual: 49.6 mpg (US) ... 21.1 km/L ... 4.7 L/100 km ... 59.6 mpg (Imp)


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    Yeah that's a new one? I'm not sure I get what you're saying.

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    if I fill up my tank I get 500 km, when I fill up half tank I get about 300km same driving style don't do anything differently.

        __________________________________________

        click to view fuel log View my fuel log 2014 Mirage GLS 1.2 manual: 56.5 mpg (US) ... 24.0 km/L ... 4.2 L/100 km ... 67.8 mpg (Imp)


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    Eggman (06-29-2017)

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    Senior Member ahausheer's Avatar
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    Most gas gauges I have ever paid attention to are not linear and poorly correlated to actual fuel in the tank until it gets close to empty.



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