1988 GMC C3500 MPG
Based on data from 1 vehicles, 69 fuel-ups and 8,965 miles of driving, the 1988 GMC C3500 gets a combined Avg MPG of 7.09 with a 0.35 MPG margin of error.
Below you can see a distribution of the fuel-ups with 2 outliers (2.82%) removed.
1988 GMC C3500s For Sale Nearby
1988 GMC C3500 Sierra SLE 7.4L V8 GAS Automatic 3 Speed Standard Cab Pickup
Added Feb 2022 • 81 Fuel-ups
Property of scainbestone
7.1 Avg MPG