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
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The Rat
1977 GMC K25 Sierra Classic 4.8L L6 GAS Automatic 3 Speed
Added Jan 2019 • 5 Fuel-upsProperty of HonestBob
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14.3 Avg MPG