1999 GMC K1500 MPG

Based on data from 1 vehicles, 14 fuel-ups and 3,813 miles of driving, the 1999 GMC K1500 gets a combined Avg MPG of 15.70 with a 1.14 MPG margin of error.

Below you can see a distribution of the fuel-ups with 1 outliers (6.67%) removed.

1999 GMC K1500s For Sale Nearby

  • Bessy

    1999 GMC K1500 Sierra SLE 5.0L V8 GAS Automatic 4 Speed
    Added Oct 2012 • 33 Fuel-ups

    Property of bhartsfield

  • 20.0 Avg MPG

Recent Activity

from other GMC K1500 vehicles (View All)


Don't cruise the parking lot

I saw a tip about parking instead of using the drive-through... ...

by veryhumid

Read more tips