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2005 GMC Sierra 3500 MPG

Based on data from 15 vehicles, 1,597 fuel-ups and 447,399 miles of driving, the 2005 GMC Sierra 3500 gets a combined Avg MPG of 12.61 with a 0.22 MPG margin of error.

Below you can see a distribution of the fuel-ups with 38 outliers (2.32%) removed.

Following shows the average MPG of each of the 15 vehicles in the system.

2005 GMC Sierra 3500s For Sale Nearby

  • Maximilian

    2005 GMC Sierra 3500 SLE 6.6L V8 DIESEL Automatic 4 Speed Cab & Chassis - Crew Cab
    Added Jan 2021 • 38 Fuel-ups

    Property of Speedy82

  • 12.2 Avg MPG
  • GMC Sierra

    2005 GMC Sierra 3500 SLT 6.6L V8 DIESEL Automatic 5 Speed
    Added Feb 2018 • 316 Fuel-ups

    Property of kblackenterpr

  • 17.3 Avg MPG
  • My Sierra 3500

    2005 GMC Sierra 3500 6.6L V8 DIESEL Automatic 5 Speed
    Added Jun 2021 • 44 Fuel-ups

    Property of kolbypitcher

  • 14.9 Avg MPG
  • 2005 Sierra

    2005 GMC Sierra 3500 SLE 6.6L V8 DIESEL Automatic 5 Speed
    Added Aug 2016 • 262 Fuel-ups

    Property of cueland

  • 17.0 Avg MPG
  • Sierra

    2005 GMC Sierra 3500 SLT 8.1L V8 GAS Automatic 4 Speed Crew Cab Pickup
    Added Jun 2018 • 275 Fuel-ups

    Property of mikeeicher

  • 9.0 Avg MPG
  • GMC

    2005 GMC Sierra 3500 SLT 6.6L V8 DIESEL Automatic 5 Speed Crew Cab Pickup
    Added Apr 2018 • 113 Fuel-ups

    Property of frrankosuave

  • 15.6 Avg MPG
  • Dually 2005

    2005 GMC Sierra 3500 6.6L V8 DIESEL Automatic 5 Speed
    Added Sep 2016 • 266 Fuel-ups

    Property of Jimshue

  • 12.3 Avg MPG
  • 2005 GMC 3500

    2005 GMC Sierra 3500 SLE 6.6L V8 DIESEL Automatic 5 Speed Crew Cab Pickup
    Added Aug 2016 • 77 Fuel-ups

    Property of dmooreco

  • 9.3 Avg MPG
  • My Sierra 3500

    2005 GMC Sierra 3500 SLT 6.6L V8 DIESEL Automatic 5 Speed
    Added Jun 2020 • 12 Fuel-ups

    Property of Dirtymaxxipad

  • 14.3 Avg MPG
  • GMC truck

    2005 GMC Sierra 3500 SLT 6.6L V8 DIESEL Automatic 5 Speed
    Added Mar 2020 • 14 Fuel-ups

    Property of monkey8585

  • 13.4 Avg MPG
  • Black GMC

    2005 GMC Sierra 3500 SLT 6.6L V8 DIESEL Automatic 5 Speed
    Added Sep 2016 • 85 Fuel-ups

    Property of jambiefsj

  • 15.3 Avg MPG
  • My Sierra 3500

    2005 GMC Sierra 3500 6.6L V8 DIESEL Automatic 5 Speed
    Added Sep 2017 • 4 Fuel-ups

    Property of chinaay

  • 15.8 Avg MPG
  • GMC truck

    2005 GMC Sierra 3500 SLE 6.6L V8 DIESEL Automatic 5 Speed
    Added Sep 2016 • 238 Fuel-ups

    Property of johnjlc

  • 11.8 Avg MPG
  • Dually Dump

    2005 GMC Sierra 3500 GAS V8
    Added Mar 2013 • 23 Fuel-ups

    Property of MtnClimber

  • 6.8 Avg MPG
  • GMC

    2005 GMC Sierra 3500 SLE 6.6L V8 DIESEL Automatic 5 Speed
    Added Dec 2017 • 47 Fuel-ups

    Property of dfvelo

  • 15.3 Avg MPG

Recent Activity

from other GMC Sierra 3500 vehicles (View All)

Tips

Cruise Control not always better

On flat or constant grades, the cruise works best for MPG. ... ...

by soutthpaw

Read more tips