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1988 GMC C3500 MPG

Based on data from 1 vehicles, 0 fuel-ups and N/A miles of driving, the 1988 GMC C3500 gets a combined Avg MPG of 0.00 with a 0.00 MPG margin of error.

Below you can see a distribution of the fuel-ups with 39 outliers (100.00%) removed.

1988 GMC C3500s For Sale Nearby

  • Dually

    1988 GMC C3500 Sierra SLE 7.4L V8 GAS Automatic 3 Speed Standard Cab Pickup
    Added Sep 2014 • 44 Fuel-ups

    Property of scainbestone

  • 6.9 Avg MPG

Recent Activity

from other GMC C3500 vehicles (View All)

Tips

Feather on downhills

Feather the go-pedal on short descents. You will barely use ... ...

by jmn20171

Read more tips