1999 GMC K1500 MPG
Based on data from 2 vehicles, 118 fuel-ups and 27,441 miles of driving, the 1999 GMC K1500 gets a combined Avg MPG of 12.16 with a 0.40 MPG margin of error.
Below you can see a distribution of the fuel-ups with 7 outliers (5.60%) 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 • 114 Fuel-ups
Property of chahta
12.1 Avg MPG
1999 GMC K1500 Sierra SLT 5.7L V8 GAS Automatic 4 Speed
Added Aug 2022 • 57 Fuel-ups
Property of Blackatz
13.8 Avg MPG