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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

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from other GMC K3500 vehicles (View All)

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