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2012 GMC Sierra 2500 HD MPG

Based on data from 35 vehicles, 2,656 fuel-ups and 868,020 miles of driving, the 2012 GMC Sierra 2500 HD gets a combined Avg MPG of 13.69 with a 0.13 MPG margin of error.

Below you can see a distribution of the fuel-ups with 177 outliers (6.25%) removed.

Following shows the average MPG of each of the 35 vehicles in the system.

2012 GMC Sierra 2500 HDs For Sale Nearby

  • My Sierra 2500 HD

    2012 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Nov 2017 • 47 Fuel-ups

    Property of tirogers

  • 15.9 Avg MPG
  • GMC Sierra 2500 HD

    2012 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
    Added Mar 2017 • 22 Fuel-ups

    Property of Rabbitn88

  • 12.2 Avg MPG
  • GMC

    2012 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added May 2018 • 83 Fuel-ups

    Property of autodata

  • 13.4 Avg MPG
  • Duramax

    2012 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Sep 2016 • 86 Fuel-ups

    Property of wings180

  • 16.1 Avg MPG
  • Sierra HD K2500

    2012 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Aug 2016 • 185 Fuel-ups

    Property of pavkurcon

  • 13.8 Avg MPG
  • My Sierra 2500 HD

    2012 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Nov 2017 • 33 Fuel-ups

    Property of TheDon81

  • 14.9 Avg MPG
  • 2012 Gmc Sierra SLT DURAMAX

    2012 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Nov 2017 • 18 Fuel-ups

    Property of pewterformula

  • 16.1 Avg MPG
  • My Sierra 2500 HD

    2012 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added May 2017 • 22 Fuel-ups

    Property of strattonshan

  • 15.4 Avg MPG
  • My Sierra 2500 HD

    2012 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jun 2017 • 72 Fuel-ups

    Property of avi8er82

  • 14.5 Avg MPG
  • Denali HD

    2012 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added May 2016 • 163 Fuel-ups

    Property of maaiman

  • 15.3 Avg MPG
  • GMC 2500HD

    2012 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Oct 2017 • 161 Fuel-ups

    Property of rrustong

  • 13.9 Avg MPG
  • Work truck

    2012 GMC Sierra 2500 HD WT 6.0L V8 FLEX Automatic 6 Speed
    Added May 2018 • 6 Fuel-ups

    Property of Jason35

  • 13.7 Avg MPG
  • 2012 GMC Sierra 2500HD

    2012 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
    Added Sep 2016 • 94 Fuel-ups

    Property of bklynbullet

  • 13.9 Avg MPG
  • My Sierra 2500 HD

    2012 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Oct 2017 • 22 Fuel-ups

    Property of evanmoore

  • 15.8 Avg MPG
  • GMC

    2012 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Sep 2016 • 237 Fuel-ups

    Property of max_rogers

  • 16.5 Avg MPG
  • 2012 Sierra 2500 HD

    2012 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Sep 2016 • 28 Fuel-ups

    Property of smokinu454

  • 17.3 Avg MPG
  • Wild Bill

    2012 GMC Sierra 2500 HD WT 6.0L V8 FLEX Automatic 6 Speed Extended Cab Pickup
    Added Aug 2015 • 253 Fuel-ups

    Property of lnthomp

  • 12.7 Avg MPG
  • GMC 2012 Denali

    2012 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added May 2016 • 316 Fuel-ups

    Property of tacoma7583

  • 13.7 Avg MPG
  • FrostByte

    2012 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Mar 2017 • 15 Fuel-ups

    Property of Flexspeed

  • 11.6 Avg MPG
  • My Sierra 2500 HD

    2012 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jun 2017 • 10 Fuel-ups

    Property of TheGodfather2010

  • 14.1 Avg MPG

Recent Activity

from other GMC Sierra 2500 HD vehicles (View All)

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..MPH is crucial on highways..

..after 9mo of experimentation while involved with Fuelly, t... ...

by cee

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