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1991 GMC C3500 MPG

Based on data from 2 vehicles, 55 fuel-ups and 6,446 miles of driving, the 1991 GMC C3500 gets a combined Avg MPG of 8.61 with a 0.48 MPG margin of error.

Below you can see a distribution of the fuel-ups with 1 outliers (1.79%) removed.

1991 GMC C3500s For Sale Nearby

  • My C3500

    1991 GMC C3500 Sierra 5.7L V8 GAS Manual 5 Speed
    Added Mar 2019 • 54 Fuel-ups

    Property of wildedge93

  • 9.3 Avg MPG
  • Dually

    1991 GMC C3500 Sierra SLE 7.4L V8 GAS Automatic 4 Speed
    Added Mar 2017 • 9 Fuel-ups

    Property of duallydad

  • 6.7 Avg MPG

Recent Activity

from other GMC C3500 vehicles (View All)


Freeway / Help Truckers Pass Easier

On the freeway when trucks pull out to pass on my left, if t... ...

by ChewChewTrain

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