1981 GMC C2500 MPG

Based on data from 1 vehicles, 18 fuel-ups and 2,658 miles of driving, the 1981 GMC C2500 gets a combined Avg MPG of 11.98 with a 1.08 MPG margin of error.

Below you can see a distribution of the fuel-ups with 2 outliers (10.00%) removed.

1981 GMC C2500s For Sale Nearby

  • Tank

    1981 GMC C2500 Sierra Classic 5.7L V8 GAS Standard 4 Speed
    Added Aug 2016 • 21 Fuel-ups

    Property of grey560

  • 14.0 Avg MPG

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If found that driving ~65 MPH, oddly does NOT get me the hig... ...

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