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How to calculate MPG when tire size changes

Discussion in 'Gen 3 Prius Fuel Economy' started by F8L, Sep 20, 2012.

  1. CaliforniaBear

    CaliforniaBear Clearwater Blue Metallic

    Joined:
    Oct 9, 2012
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    Location:
    Northern California
    Vehicle:
    2012 Prius
    Model:
    Plug-in Base
    My speedometer reads 1 mph higher at 60 mph, a typical "safety" margin. The odometer is dead on checked with a GPS over several hundred miles. (2012 Prius Three).
     
    a priori likes this.