Indicated vs Actual MPG

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  • andrewd
    S2Forum Addict
    • Jun 2006
    • 278
    • Country: United Kingdom

    #1

    Indicated vs Actual MPG

    I finally got round to working out a 'proper' MPG figure after a journey down to Surrey and back this weekend. The trip computer was showing ~ 30 mpg after about 400 miles of motorway at around 75mph which I figured was about right. After doing a quick calculation on refuelling, the actual figure seems to be just above 25 mpg.

    If such a large discrepancy normal for the UrS4 trip computer? Or have I got a leak somewhere?!
    2005 Skoda Fabia vRS
    1993 100 S4 Saloon (resting)
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