2003 GMC Sierra 3500 MPG

Based on data from 2 vehicles, 0 fuel-ups and N/A miles of driving, the 2003 GMC Sierra 3500 gets a combined Avg MPG of 0.00 with a 0.00 MPG margin of error.

Below you can see a distribution of the fuel-ups with 1 outliers (100.00%) removed.

Following shows the average MPG of each of the 2 vehicles in the system.

• My Sierra 3500

  2003 GMC Sierra 3500 SLE 6.6L V8 DIESEL Automatic 5 Speed
  Added Jun 2019 • 7 Fuel-ups

  Property of KodyK

• 4.6 Avg MPG

• My Sierra 3500

  2003 GMC Sierra 3500 SLE 6.0L V8 GAS Automatic 5 Speed
  Added Feb 2017 • 5 Fuel-ups

  Property of BigMacGMC

• 7.1 Avg MPG