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2012 GMC Sierra 3500 HD MPG

Based on data from 16 vehicles, 1,707 fuel-ups and 596,423 miles of driving, the 2012 GMC Sierra 3500 HD gets a combined Avg MPG of 13.24 with a 0.18 MPG margin of error.

Below you can see a distribution of the fuel-ups with 67 outliers (3.78%) removed.

Following shows the average MPG of each of the 16 vehicles in the system.

2012 GMC Sierra 3500 HDs For Sale Nearby

  • My Sierra 3500 HD

    2012 GMC Sierra 3500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
    Added May 2023 • 25 Fuel-ups

    Property of DieselDerrick

  • 10.9 Avg MPG
  • 2012 Denali

    2012 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Sep 2016 • 392 Fuel-ups

    Property of graeck1

  • 16.4 Avg MPG
  • '12 GMC

    2012 GMC Sierra 3500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
    Added Dec 2016 • 528 Fuel-ups

    Property of martinweber

  • 16.6 Avg MPG
  • Jim

    2012 GMC Sierra 3500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Extended Cab Pickup
    Added Apr 2018 • 151 Fuel-ups

    Property of jimmiller17

  • 11.9 Avg MPG
  • MillBilly

    2012 GMC Sierra 3500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Apr 2018 • 41 Fuel-ups

    Property of CJayD

  • 13.0 Avg MPG
  • Ton truck

    2012 GMC Sierra 3500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Extended Cab Pickup
    Added Apr 2018 • 10 Fuel-ups

    Property of fsb_scoh

  • 23.3 Avg MPG
  • Z Denali

    2012 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Aug 2016 • 149 Fuel-ups

    Property of k78stuff

  • 13.3 Avg MPG
  • My Sierra 3500 HD

    2012 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Feb 2018 • 12 Fuel-ups

    Property of pcloss

  • 14.0 Avg MPG
  • My Sierra 3500 HD

    2012 GMC Sierra 3500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Oct 2016 • 45 Fuel-ups

    Property of Whato

  • 17.3 Avg MPG
  • Sierra

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

    Property of sinnettc

  • 13.4 Avg MPG
  • GMC

    2012 GMC Sierra 3500 HD WT 6.6L V8 DIESEL Automatic 6 Speed
    Added Sep 2016 • 98 Fuel-ups

    Property of seraphim

  • 12.6 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
  • 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

Recent Activity

from other GMC Sierra 3500 HD vehicles (View All)

Tips

How fast should you drive for fuel economy?

The tips I've read so far fail to account for the vehicle's ... ...

by Runaway1956

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