1975 GMC C15 MPG

Based on data from 1 vehicles, 82 fuel-ups and 12,150 miles of driving, the 1975 GMC C15 gets a combined Avg MPG of 10.15 with a 0.25 MPG margin of error.

Below you can see a distribution of the fuel-ups with 1 outliers (1.20%) removed.

1975 GMC C15s For Sale Nearby

  • Truck

    1975 GMC C15 Sierra Grande 5.7L V8 GAS Automatic 3 Speed
    Added Sep 2016 • 88 Fuel-ups

    Property of tenglert

  • 10.3 Avg MPG

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Tips

Be sure that your engine is idling well

An engine idling above 1000 rpm's is a bad symptom of a fail... ...

by judacomadc

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