Click here to see important news regarding the aCar App

1977 GMC K25 MPG

Based on data from 1 vehicles, 4 fuel-ups and 790 miles of driving, the 1977 GMC K25 gets a combined Avg MPG of 14.33 with a 7.25 MPG margin of error.

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

1977 GMC K25s For Sale Nearby

  • The Rat

    1977 GMC K25 Sierra Classic 4.8L L6 GAS Automatic 3 Speed
    Added Jan 2019 • 5 Fuel-ups

    Property of HonestBob

  • 14.3 Avg MPG

Tips

New ignition coil / huge difference!

Most folks are unaware that a cars ignition coil can lose as... ...

by kemper

Read more tips