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1983 GMC C2500 MPG

Based on data from 1 vehicles, 16 fuel-ups and 3,896 miles of driving, the 1983 GMC C2500 gets a combined Avg MPG of 10.86 with a 1.97 MPG margin of error.

Below you can see a distribution of the fuel-ups with 0 outliers (0.00%) removed.

1983 GMC C2500s For Sale Nearby

  • 83 GMC

    1983 GMC C2500 High Sierra
    Added Feb 2012 • 21 Fuel-ups

    Property of ccorwin08

  • 10.5 Avg MPG

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from other GMC C2500 vehicles (View All)


Best MPG is affected more by vehicle speed than engine speed.

In response to the tip that there is a "best MPG engine RPM ... ...

by jldude

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