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2003 GMC Sierra 2500 HD MPG

Based on data from 66 vehicles, 4,899 fuel-ups and 1,454,844 miles of driving, the 2003 GMC Sierra 2500 HD gets a combined Avg MPG of 14.16 with a 0.12 MPG margin of error.

Below you can see a distribution of the fuel-ups with 77 outliers (1.55%) removed.

Following shows the average MPG of each of the 66 vehicles in the system.

2003 GMC Sierra 2500 HDs For Sale Nearby

  • Duramax

    2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed
    Added Mar 2018 • 341 Fuel-ups

    Property of timp1968

  • 16.0 Avg MPG
  • Duramax

    2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed Crew Cab Pickup
    Added Feb 2013 • 288 Fuel-ups

    Property of DAVe3283

  • 15.3 Avg MPG
  • GMC Duramax

    2003 GMC Sierra 2500 HD SLE
    Added Jun 2018 • 257 Fuel-ups

    Property of main1

  • 14.1 Avg MPG
  • Duramax

    2003 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 5 Speed
    Added Feb 2024 • 11 Fuel-ups

    Property of Ideracing7

  • 11.7 Avg MPG
  • Chanchito

    2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed
    Added May 2017 • 159 Fuel-ups

    Property of davidrperkins

  • 14.5 Avg MPG
  • My Sierra 2500 HD

    2003 GMC Sierra 2500 HD WT 8.1L V8 GAS Automatic 4 Speed
    Added Oct 2023 • 8 Fuel-ups

    Property of chapdou

  • 9.4 Avg MPG
  • Sierra 2500 HD

    2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed
    Added Mar 2021 • 53 Fuel-ups

    Property of HoundzRig

  • 15.0 Avg MPG
  • My Sierra 2500 HD

    2003 GMC Sierra 2500 HD SLE 6.0L V8 GAS Automatic 4 Speed
    Added Feb 2024 • 20 Fuel-ups

    Property of Ben_buggy

  • 9.0 Avg MPG
  • My Sierra 2500 HD

    2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed
    Added Jul 2017 • 159 Fuel-ups

    Property of G1974

  • 17.7 Avg MPG
  • GMC Sierra 2500 HD 2003

    2003 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 5 Speed
    Added Mar 2024 • 25 Fuel-ups

    Property of ScooterMann

  • 17.6 Avg MPG
  • GMC 2500hd

    2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed
    Added Sep 2016 • 54 Fuel-ups

    Property of mdw612

  • 15.7 Avg MPG
  • Sierra

    2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed
    Added May 2017 • 185 Fuel-ups

    Property of 2xGrey

  • 16.7 Avg MPG
  • GMC Sierra 2500 HD (2003)

    2003 GMC Sierra 2500 HD SLE 6.0L V8 GAS Automatic 4 Speed
    Added Sep 2017 • 16 Fuel-ups

    Property of dlr007

  • 10.7 Avg MPG
  • GMC Sierra 2500HD

    2003 GMC Sierra 2500 HD SLE 8.1L V8 GAS Automatic 5 Speed Crew Cab Pickup
    Added Jan 2019 • 373 Fuel-ups

    Property of nmartens09

  • 9.3 Avg MPG
  • Sierra

    2003 GMC Sierra 2500 HD SLE
    Added Jul 2023 • 50 Fuel-ups

    Property of Erich309

  • 17.2 Avg MPG
  • Truck

    2003 GMC Sierra 2500 HD 6.6L V8 DIESEL
    Added Feb 2021 • 257 Fuel-ups

    Property of dusty123456

  • 19.0 Avg MPG
  • My Sierra 2500 HD

    2003 GMC Sierra 2500 HD SLT 6.0L V8 CNG Automatic 4 Speed
    Added Jun 2024 • 7 Fuel-ups

    Property of albert7700

  • 10.8 Avg MPG
  • Gmc Truck

    2003 GMC Sierra 2500 HD 6.6L V8 DIESEL
    Added Oct 2017 • 196 Fuel-ups

    Property of jfyoung11

  • 14.4 Avg MPG
  • DMax

    2003 GMC Sierra 2500 HD SLT 6.0L V8 CNG Automatic 4 Speed
    Added Sep 2022 • 56 Fuel-ups

    Property of BowManGuardian

  • 15.2 Avg MPG
  • Dad's Truck

    2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed
    Added Apr 2021 • 142 Fuel-ups

    Property of dlindval

  • 12.9 Avg MPG

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