Click here to see important news regarding the aCar App

2003 GMC Sierra 2500 HD MPG

Based on data from 60 vehicles, 4,418 fuel-ups and 1,332,219 miles of driving, the 2003 GMC Sierra 2500 HD gets a combined Avg MPG of 14.04 with a 0.13 MPG margin of error.

Below you can see a distribution of the fuel-ups with 74 outliers (1.65%) removed.

Following shows the average MPG of each of the 60 vehicles in the system.

2003 GMC Sierra 2500 HDs For Sale Nearby

  • My Sierra 2500 HD

    2003 GMC Sierra 2500 HD SLT 6.0L V8 CNG Automatic 4 Speed
    Added Sep 2022 • 3 Fuel-ups

    Property of BowManGuardian

  • 16.0 Avg MPG
  • GMC Duramax

    2003 GMC Sierra 2500 HD SLE
    Added Jun 2018 • 236 Fuel-ups

    Property of main1

  • 14.0 Avg MPG
  • Sierra

    2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed
    Added May 2017 • 171 Fuel-ups

    Property of 2xGrey

  • 16.7 Avg MPG
  • My Sierra 2500 HD

    2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed
    Added May 2017 • 207 Fuel-ups

    Property of Mpmcnasty

  • 16.8 Avg MPG
  • GMC

    2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed Extended Cab Pickup
    Added Nov 2017 • 96 Fuel-ups

    Property of jim44

  • 17.5 Avg MPG
  • Duramax

    2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed
    Added Mar 2018 • 267 Fuel-ups

    Property of timp1968

  • 16.2 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
  • Truck

    2003 GMC Sierra 2500 HD 6.6L V8 DIESEL
    Added Feb 2021 • 228 Fuel-ups

    Property of dusty123456

  • 18.9 Avg MPG
  • Sierra 2500 HD

    2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed
    Added Mar 2021 • 24 Fuel-ups

    Property of HoundzRig

  • 15.9 Avg MPG
  • My Sierra 2500 HD

    2003 GMC Sierra 2500 HD SLE 6.0L V8 GAS Automatic 4 Speed
    Added Sep 2017 • 11 Fuel-ups

    Property of dlr007

  • 10.1 Avg MPG
  • Duramax

    2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed Crew Cab Pickup
    Added Feb 2013 • 271 Fuel-ups

    Property of DAVe3283

  • 15.4 Avg MPG
  • GMC 2500hd

    2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed
    Added Sep 2016 • 48 Fuel-ups

    Property of mdw612

  • 16.0 Avg MPG
  • 2003 GMC 2500HD

    2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed
    Added Sep 2016 • 118 Fuel-ups

    Property of racerx146

  • 14.1 Avg MPG
  • Gmc Truck

    2003 GMC Sierra 2500 HD 6.6L V8 DIESEL
    Added Oct 2017 • 145 Fuel-ups

    Property of jfyoung11

  • 13.1 Avg MPG
  • Chanchito

    2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed
    Added May 2017 • 107 Fuel-ups

    Property of davidrperkins

  • 13.9 Avg MPG
  • Dad's Truck

    2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed
    Added Apr 2021 • 130 Fuel-ups

    Property of dlindval

  • 12.8 Avg MPG
  • My Sierra with new dash

    2003 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed
    Added Dec 2020 • 26 Fuel-ups

    Property of MEMatta

  • 15.0 Avg MPG
  • GMC Sierra 2500HD

    2003 GMC Sierra 2500 HD SLE 8.1L V8 GAS Automatic 5 Speed Crew Cab Pickup
    Added Jan 2019 • 368 Fuel-ups

    Property of nmartens09

  • 9.3 Avg MPG
  • 2500HD

    2003 GMC Sierra 2500 HD 6.0L V8 GAS Automatic 4 Speed
    Added Jun 2013 • 252 Fuel-ups

    Property of M42E36

  • 12.9 Avg MPG
  • My Sierra 2500 HD

    2003 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 5 Speed
    Added Feb 2020 • 32 Fuel-ups

    Property of MEMatta

  • 14.8 Avg MPG

Recent Activity

from other GMC Sierra 2500 HD vehicles (View All)

Tips

straighten the road

When conditions allow on mountainous roads, steer a straight... ...

by PressFit

Read more tips