1999 GMC C2500 MPG

Based on data from 3 vehicles, 17 fuel-ups and 4,260 miles of driving, the 1999 GMC C2500 gets a combined Avg MPG of 12.47 with a 2.12 MPG margin of error.

Below you can see a distribution of the fuel-ups with 3 outliers (15.00%) removed.

Following shows the average MPG of each of the 3 vehicles in the system.

1999 GMC C2500s For Sale Nearby

  • Lauri truck

    1999 GMC C2500 Sierra SL 5.7L V8 GAS Automatic 4 Speed
    Added Mar 2017 • 16 Fuel-ups

    Property of viggo1

  • 21.0 Avg MPG
  • Red Truck

    1999 GMC C2500 GAS V8
    Added Aug 2013 • 5 Fuel-ups

    Property of twigg

  • 16.8 Avg MPG
  • Dave

    1999 GMC C2500 DIESEL V8
    Added Jan 2011 • 5 Fuel-ups

    Property of ksp

  • 10.2 Avg MPG

Recent Activity

from other GMC C2500 vehicles (View All)


The right vehicle for each task

If you have a large vehicle for hauling passengers and/or ca... ...

by tverbeek

Read more tips