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1988 GMC C3500 MPG

Based on data from 1 vehicles, 39 fuel-ups and 5,305 miles of driving, the 1988 GMC C3500 gets a combined Avg MPG of 6.97 with a 0.45 MPG margin of error.

Below you can see a distribution of the fuel-ups with 0 outliers (0.00%) 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 • 42 Fuel-ups

    Property of scainbestone

  • 7.1 Avg MPG

Recent Activity

from other GMC C3500 vehicles (View All)

Tips

Shift into neutral at stops....

One easy way to increase mileage, even if a trivial amount, ... ...

by oneaonef

Read more tips