1988 GMC K3500 MPG

Based on data from 1 vehicles, 6 fuel-ups and 1,348 miles of driving, the 1988 GMC K3500 gets a combined Avg MPG of 9.62 with a 4.25 MPG margin of error.

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

1988 GMC K3500s For Sale Nearby

  • Sexy Beast

    1988 GMC K3500 Sierra SLX 7.4L V8 GAS Automatic 3 Speed
    Added Sep 2016 • 8 Fuel-ups

    Property of mjcalder1

  • 9.6 Avg MPG

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