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1990 GMC C3500 MPG

Based on data from 1 vehicles, 3 fuel-ups and 300 miles of driving, the 1990 GMC C3500 gets a combined Avg MPG of 4.80 with a 2.10 MPG margin of error.

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

1990 GMC C3500s For Sale Nearby

  • GMC Flatt Bed

    1990 GMC C3500 Sierra 7.4L V8 GAS
    Added Feb 2023 • 3 Fuel-ups

    Property of Nallangus

  • 4.8 Avg MPG

Recent Activity

from other GMC C3500 vehicles (View All)


Run the Air-con instead of applying brakes

Air conditioning puts a big load on the engine and can be se... ...

by Charles1989

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