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.

• 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