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2003 GMC Sierra 2500 HD MPG

Based on data from 45 vehicles, 1,950 fuel-ups and 595,354 miles of driving, the 2003 GMC Sierra 2500 HD gets a combined Avg MPG of 14.60 with a 0.16 MPG margin of error.

Below you can see a distribution of the fuel-ups with 35 outliers (1.76%) removed.

Following shows the average MPG of each of the 45 vehicles in the system.

2003 GMC Sierra 2500 HDs For Sale Nearby

  • 2003 GMC Sierra Duramax

    2003 GMC Sierra 2500 HD 6.6L V8 DIESEL Automatic 5 Speed Extended Cab Pickup
    Added Feb 2017 • 33 Fuel-ups

    Property of srlew

  • 15.4 Avg MPG
  • Sierra

    2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed
    Added May 2017 • 82 Fuel-ups

    Property of 2xGrey

  • 16.8 Avg MPG
  • 2500HD

    2003 GMC Sierra 2500 HD GAS V8
    Added Jun 2013 • 109 Fuel-ups

    Property of M42E36

  • 13.0 Avg MPG
  • 2003 Sierra 2500 HD

    2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Standard 6 Speed
    Added Dec 2017 • 8 Fuel-ups

    Property of polarxj

  • 16.0 Avg MPG
  • Rick

    2003 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 5 Speed
    Added Sep 2016 • 261 Fuel-ups

    Property of d800306

  • 15.9 Avg MPG
  • 03 GMC Sierra 2500 HD

    2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed
    Added Nov 2016 • 34 Fuel-ups

    Property of Suncoaster

  • 15.9 Avg MPG
  • Oliver

    2003 GMC Sierra 2500 HD 6.0L V8 GAS Automatic 5 Speed
    Added Mar 2017 • 47 Fuel-ups

    Property of 100percentderby

  • 12.0 Avg MPG
  • Gmc Truck

    2003 GMC Sierra 2500 HD 6.6L V8 DIESEL
    Added Oct 2017 • 75 Fuel-ups

    Property of jfyoung11

  • 12.9 Avg MPG
  • My Sierra 2500 HD

    2003 GMC Sierra 2500 HD SLE 6.0L V8 GAS Automatic 4 Speed
    Added Jul 2017 • 12 Fuel-ups

    Property of wsafford

  • 11.7 Avg MPG
  • My Sierra 2500 HD

    2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 4 Speed
    Added May 2017 • 32 Fuel-ups

    Property of Mpmcnasty

  • 16.6 Avg MPG
  • The DIRTY

    2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed Crew Cab Pickup
    Added Dec 2014 • 136 Fuel-ups

    Property of 10janderson3

  • 14.6 Avg MPG
  • GMC

    2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed Extended Cab Pickup
    Added Nov 2017 • 4 Fuel-ups

    Property of jim44

  • 16.1 Avg MPG
  • Sierra 2500 HD

    2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed
    Added Dec 2016 • 21 Fuel-ups

    Property of jmeier301

  • 14.3 Avg MPG
  • My Sierra 2500 HD

    2003 GMC Sierra 2500 HD SLE 8.1L V8 GAS Automatic 5 Speed
    Added Jul 2017 • 3 Fuel-ups

    Property of StrykerX

  • 9.7 Avg MPG
  • 2003 GMC

    2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed
    Added Sep 2016 • 53 Fuel-ups

    Property of racerx146

  • 13.6 Avg MPG
  • Work Truck

    2003 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 5 Speed Extended Cab Pickup
    Added May 2014 • 171 Fuel-ups

    Property of RayC

  • 15.1 Avg MPG
  • GMC 2500hd

    2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed
    Added Sep 2016 • 24 Fuel-ups

    Property of mdw612

  • 19.9 Avg MPG
  • Blackie

    2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed Crew Cab Pickup
    Added Aug 2013 • 120 Fuel-ups

    Property of HernsNerd

  • 14.3 Avg MPG
  • My Sierra 2500 HD

    2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed
    Added May 2017 • 4 Fuel-ups

    Property of davidrperkins

  • 13.2 Avg MPG
  • GMC Sierra

    2003 GMC Sierra 2500 HD SLT 8.1L V8 GAS Automatic 5 Speed
    Added Sep 2016 • 90 Fuel-ups

    Property of riverwake

  • 8.4 Avg MPG

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