1999 GMC K1500 MPG
Based on data from 2 vehicles, 23 fuel-ups and 6,444 miles of driving, the 1999 GMC K1500 gets a combined Avg MPG of 15.86 with a 0.87 MPG margin of error.
Below you can see a distribution of the fuel-ups with 3 outliers (11.54%) removed.
Following shows the average MPG of each of the 2 vehicles in the system.
1999 GMC K1500s For Sale Nearby
1999 GMC K1500 Sierra SL 5.7L V8 GAS Automatic 4 Speed Extended Cab Pickup
Added Jan 2018 • 3 Fuel-ups
Property of chahta
10.9 Avg MPG
1999 GMC K1500 Sierra SLE 5.0L V8 GAS Automatic 4 Speed
Added Oct 2012 • 45 Fuel-ups
Property of bhartsfield
16.1 Avg MPG