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2003 GMC Sierra 2500 HD MPG

Based on data from 66 vehicles, 4,901 fuel-ups and 1,455,688 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 Crew Cab Pickup
    Added Feb 2013 • 289 Fuel-ups

    Property of DAVe3283

  • 15.3 Avg MPG
  • GMC 2500hd

    2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed
    Added Sep 2016 • 55 Fuel-ups

    Property of mdw612

  • 15.6 Avg MPG
  • 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
  • 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
  • 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

Recent Activity

from other GMC Sierra 2500 HD vehicles (View All)

Tips

Coast as much as possible

When it's safe, take your foot off the gas pedal completely ... ...

by nmattus

Read more tips