2012 GMC Sierra 3500 HD MPG

Based on data from 11 vehicles, 1,158 fuel-ups and 384,520 miles of driving, the 2012 GMC Sierra 3500 HD gets a combined Avg MPG of 13.23 with a 0.21 MPG margin of error.

Below you can see a distribution of the fuel-ups with 50 outliers (4.14%) removed.

Following shows the average MPG of each of the 11 vehicles in the system.

2012 GMC Sierra 3500 HDs For Sale Nearby

  • Denali

    2012 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Aug 2016 • 125 Fuel-ups

    Property of k78stuff

  • 13.3 Avg MPG
  • 2012 Denali

    2012 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Sep 2016 • 268 Fuel-ups

    Property of graeck1

  • 17.9 Avg MPG
  • Sierra

    2012 GMC Sierra 3500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Jan 2017 • 3 Fuel-ups

    Property of sinnettc

  • 13.1 Avg MPG
  • My Sierra 3500 HD

    2012 GMC Sierra 3500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Oct 2016 • 17 Fuel-ups

    Property of Whato

  • 16.7 Avg MPG
  • 2012 3500HD

    2012 GMC Sierra 3500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Sep 2013 • 320 Fuel-ups

    Property of drfife

  • 10.7 Avg MPG
  • GMC

    2012 GMC Sierra 3500 HD WT 6.6L V8 DIESEL Automatic 6 Speed
    Added Sep 2016 • 90 Fuel-ups

    Property of seraphim

  • 12.5 Avg MPG
  • '12 GMC

    2012 GMC Sierra 3500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
    Added Dec 2016 • 258 Fuel-ups

    Property of martinweber

  • 18.5 Avg MPG
  • My Sierra 3500 HD

    2012 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Nov 2015 • 7 Fuel-ups

    Property of Karonb

  • 11.3 Avg MPG
  • duelly

    2012 GMC Sierra 3500 HD DIESEL
    Added Mar 2012 • 17 Fuel-ups

    Property of Pamelav

  • 14.5 Avg MPG
  • GMC

    2012 GMC Sierra 3500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
    Added Dec 2016 • 184 Fuel-ups

    Property of martinweber

  • 14.4 Avg MPG
  • GMC Sierra

    2012 GMC Sierra 3500 HD DIESEL V8
    Added May 2012 • 14 Fuel-ups

    Property of copperpot126

  • 11.1 Avg MPG

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