2003 GMC Sierra 1500 HD MPG

Based on data from 4 vehicles, 78 fuel-ups and 20,418 miles of driving, the 2003 GMC Sierra 1500 HD gets a combined Avg MPG of 12.05 with a 0.39 MPG margin of error.

Below you can see a distribution of the fuel-ups with 4 outliers (4.88%) removed.

Following shows the average MPG of each of the 4 vehicles in the system.

2003 GMC Sierra 1500 HDs For Sale Nearby

  • My Sierra 1500 HD

    2003 GMC Sierra 1500 HD SLT 6.0L V8 GAS Automatic 4 Speed
    Added Jan 2016 • 39 Fuel-ups

    Property of MattSS

  • 11.7 Avg MPG
  • 03 GMC Sierra 1500HD

    2003 GMC Sierra 1500 HD SLT 6.0L V8 GAS Automatic 4 Speed
    Added Nov 2016 • 11 Fuel-ups

    Property of Suncoaster

  • 12.2 Avg MPG
  • Quadrasteer Pickup

    2003 GMC Sierra 1500 HD SLE 6.0L V8 GAS Automatic 4 Speed Crew Cab Pickup
    Added May 2016 • 8 Fuel-ups

    Property of hunter289

  • 12.1 Avg MPG
  • Tom's HD

    2003 GMC Sierra 1500 HD GAS V8
    Added Jul 2013 • 27 Fuel-ups

    Property of Gunner

  • 12.0 Avg MPG

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