Click here to see important news regarding the aCar App

2003 GMC Sierra 2500 HD MPG

Based on data from 62 vehicles, 4,772 fuel-ups and 1,423,250 miles of driving, the 2003 GMC Sierra 2500 HD gets a combined Avg MPG of 14.08 with a 0.12 MPG margin of error.

Below you can see a distribution of the fuel-ups with 83 outliers (1.71%) removed.

Following shows the average MPG of each of the 62 vehicles in the system.

2003 GMC Sierra 2500 HDs For Sale Nearby

  • My Sierra 2500 HD

    2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed
    Added Jul 2017 • 94 Fuel-ups

    Property of G1974

  • 16.9 Avg MPG
  • Truck

    2003 GMC Sierra 2500 HD 6.6L V8 DIESEL
    Added Feb 2021 • 255 Fuel-ups

    Property of dusty123456

  • 19.0 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
  • GMC Duramax

    2003 GMC Sierra 2500 HD SLE
    Added Jun 2018 • 248 Fuel-ups

    Property of main1

  • 14.1 Avg MPG
  • Duramax

    2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed
    Added Mar 2018 • 308 Fuel-ups

    Property of timp1968

  • 16.0 Avg MPG
  • GMC 2500hd

    2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed
    Added Sep 2016 • 52 Fuel-ups

    Property of mdw612

  • 15.8 Avg MPG
  • Chanchito

    2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed
    Added May 2017 • 155 Fuel-ups

    Property of davidrperkins

  • 14.5 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
  • Duramax

    2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed Crew Cab Pickup
    Added Feb 2013 • 279 Fuel-ups

    Property of DAVe3283

  • 15.4 Avg MPG
  • Sierra 2500 HD

    2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed
    Added Mar 2021 • 40 Fuel-ups

    Property of HoundzRig

  • 14.7 Avg MPG
  • Sierra

    2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed
    Added May 2017 • 180 Fuel-ups

    Property of 2xGrey

  • 16.6 Avg MPG
  • GMC

    2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed Extended Cab Pickup
    Added Nov 2017 • 110 Fuel-ups

    Property of jim44

  • 17.5 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
  • GMC Sierra 2500 HD (2003)

    2003 GMC Sierra 2500 HD SLE 6.0L V8 GAS Automatic 4 Speed
    Added Sep 2017 • 14 Fuel-ups

    Property of dlr007

  • 10.5 Avg MPG
  • My Sierra with new dash

    2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed
    Added Dec 2020 • 29 Fuel-ups

    Property of MEMatta

  • 14.9 Avg MPG
  • Sierra

    2003 GMC Sierra 2500 HD SLE
    Added Jul 2023 • 44 Fuel-ups

    Property of Erich309

  • 17.1 Avg MPG
  • GMC Sierra 2500HD

    2003 GMC Sierra 2500 HD SLE 8.1L V8 GAS Automatic 5 Speed Crew Cab Pickup
    Added Jan 2019 • 372 Fuel-ups

    Property of nmartens09

  • 9.3 Avg MPG
  • Plow Truck

    2003 GMC Sierra 2500 HD 6.0L V8 GAS Automatic 4 Speed Standard Cab Pickup
    Added Nov 2022 • 3 Fuel-ups

    Property of allalaskan

  • 5.1 Avg MPG
  • My Sierra 2500 HD

    2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed
    Added May 2017 • 212 Fuel-ups

    Property of Mpmcnasty

  • 16.8 Avg MPG
  • 2003 GMC Sierra Duramax

    2003 GMC Sierra 2500 HD 6.6L V8 DIESEL Automatic 5 Speed Extended Cab Pickup
    Added Feb 2017 • 264 Fuel-ups

    Property of srlew

  • 15.8 Avg MPG

Recent Activity

from other GMC Sierra 2500 HD vehicles (View All)

Tips

Consider a Diesel

When looking for a new car, do your homework and research to... ...

by coolbreeze

Read more tips