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1981 GMC K3500 MPG

Based on data from 1 vehicles, 76 fuel-ups and 5,224 miles of driving, the 1981 GMC K3500 gets a combined Avg MPG of 5.95 with a 0.73 MPG margin of error.

Below you can see a distribution of the fuel-ups with 7 outliers (8.43%) removed.

1981 GMC K3500s For Sale Nearby

  • truck 6

    1981 GMC K3500 Sierra Classic 5.7L V8 GAS Standard 4 Speed Cab & Chassis
    Added Jul 2014 • 99 Fuel-ups

    Property of towjoe75

  • 10.9 Avg MPG

Recent Activity

from other GMC K3500 vehicles (View All)


Don't top off at the pump

When you fill up, wait for the pump to click and then stop. ... ...

by jimbobbeng

Read more tips