2005 GMC Sierra 3500 MPG

Based on data from 15 vehicles, 1,524 fuel-ups and 426,550 miles of driving, the 2005 GMC Sierra 3500 gets a combined Avg MPG of 12.59 with a 0.22 MPG margin of error.

Below you can see a distribution of the fuel-ups with 39 outliers (2.50%) removed.

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

• Maximilian

  2005 GMC Sierra 3500 SLE 6.6L V8 DIESEL Automatic 4 Speed Cab & Chassis - Crew Cab
  Added Jan 2021 • 29 Fuel-ups

  Property of Speedy82

• 12.2 Avg MPG

• Sierra

  2005 GMC Sierra 3500 SLT 8.1L V8 GAS Automatic 4 Speed Crew Cab Pickup
  Added Jun 2018 • 259 Fuel-ups

  Property of mikeeicher

• 9.0 Avg MPG

• My Sierra 3500

  2005 GMC Sierra 3500 6.6L V8 DIESEL Automatic 5 Speed
  Added Jun 2021 • 32 Fuel-ups

  Property of kolbypitcher

• 14.9 Avg MPG

• Sierra

  2005 GMC Sierra 3500 SLE 6.6L V8 DIESEL Automatic 5 Speed
  Added Aug 2016 • 254 Fuel-ups

  Property of cueland

• 17.1 Avg MPG

• Dually 2005

  2005 GMC Sierra 3500 6.6L V8 DIESEL Automatic 5 Speed
  Added Sep 2016 • 263 Fuel-ups

  Property of Jimshue

• 12.3 Avg MPG

• GMC

  2005 GMC Sierra 3500 SLT 6.6L V8 DIESEL Automatic 5 Speed Crew Cab Pickup
  Added Apr 2018 • 111 Fuel-ups

  Property of frrankosuave

• 15.6 Avg MPG

• GMC Sierra

  2005 GMC Sierra 3500 SLT 6.6L V8 DIESEL Automatic 5 Speed
  Added Feb 2018 • 290 Fuel-ups

  Property of kblackenterpr

• 17.4 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