1988 GMC S15 MPG
Based on data from 2 vehicles, 54 fuel-ups and 16,331 miles of driving, the 1988 GMC S15 gets a combined Avg MPG of 21.66 with a 0.69 MPG margin of error.
Below you can see a distribution of the fuel-ups with 3 outliers (5.26%) removed.
Following shows the average MPG of each of the 2 vehicles in the system.
1988 GMC S15s For Sale Nearby
1988 GMC S15 Sierra Classic 4.3L V6 GAS Automatic 4 Speed Standard Cab Pickup
Added Nov 2012 • 48 Fuel-ups
Property of LazySpread
21.3 Avg MPG
1988 GMC S15 2.5L GAS L4 Standard 5 Standard Cab Pickup (2 Door)
Added Sep 2014 • 13 Fuel-ups
Property of jmader
25.4 Avg MPG