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2012 GMC Sierra 2500 HD MPG

Based on data from 41 vehicles, 3,191 fuel-ups and 1,085,428 miles of driving, the 2012 GMC Sierra 2500 HD gets a combined Avg MPG of 13.73 with a 0.12 MPG margin of error.

Below you can see a distribution of the fuel-ups with 180 outliers (5.34%) removed.

Following shows the average MPG of each of the 41 vehicles in the system.

  • My Sierra 2500 HD

    2012 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jun 2017 • 164 Fuel-ups

    Property of avi8er82

  • 14.2 Avg MPG
  • GMC

    2012 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added May 2018 • 169 Fuel-ups

    Property of autodata

  • 13.4 Avg MPG
  • Denali

    2012 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Sep 2020 • 3 Fuel-ups

    Property of jerry3039

  • 9.6 Avg MPG
  • My Sierra 2500 HD

    2012 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
    Added Apr 2020 • 9 Fuel-ups

    Property of jeff21ree

  • 13.4 Avg MPG
  • Duramax

    2012 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Sep 2016 • 111 Fuel-ups

    Property of wings180

  • 16.2 Avg MPG
  • Sierra HD K2500

    2012 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Aug 2016 • 259 Fuel-ups

    Property of pavkurcon

  • 13.7 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 • 79 Fuel-ups

    Property of pewterformula

  • 16.0 Avg MPG
  • Sierra 2500 HD

    2012 GMC Sierra 2500 HD SLT 6.0L V8 FLEX Automatic 6 Speed
    Added Mar 2019 • 39 Fuel-ups

    Property of navy0010

  • 13.8 Avg MPG
  • 2012 GMC Sierra 2500HD

    2012 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
    Added Sep 2016 • 126 Fuel-ups

    Property of bklynbullet

  • 13.3 Avg MPG
  • GMC 2500HD

    2012 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Oct 2017 • 223 Fuel-ups

    Property of rrustong

  • 14.3 Avg MPG
  • My Sierra 2500 HD

    2012 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Aug 2019 • 76 Fuel-ups

    Property of jwp51819

  • 15.5 Avg MPG
  • Denali HD

    2012 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added May 2016 • 204 Fuel-ups

    Property of maaiman

  • 15.2 Avg MPG
  • My Sierra 2500 HD

    2012 GMC Sierra 2500 HD WT 6.0L V8 FLEX Automatic 6 Speed
    Added Jan 2020 • 13 Fuel-ups

    Property of KENJUMP

  • 12.0 Avg MPG
  • My Sierra 2500 HD

    2012 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added May 2017 • 45 Fuel-ups

    Property of strattonshan

  • 15.4 Avg MPG
  • 2012 Sierra 2500 HD

    2012 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Nov 2017 • 89 Fuel-ups

    Property of TheDon81

  • 14.5 Avg MPG
  • My Sierra 2500 HD

    2012 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Nov 2017 • 141 Fuel-ups

    Property of tirogers

  • 13.4 Avg MPG
  • My Sierra 2500 HD

    2012 GMC Sierra 2500 HD SLE 6.0L V8 GAS Automatic 6 Speed
    Added Apr 2019 • 10 Fuel-ups

    Property of FoxcreteBH

  • 10.1 Avg MPG
  • My Sierra 2500 HD

    2012 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Oct 2017 • 32 Fuel-ups

    Property of evanmoore

  • 15.6 Avg MPG
  • GMC

    2012 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Sep 2016 • 238 Fuel-ups

    Property of max_rogers

  • 16.5 Avg MPG
  • Sierra

    2012 GMC Sierra 2500 HD SLT Automatic 6 Speed
    Added Jul 2018 • 144 Fuel-ups

    Property of rtforbed

  • 13.8 Avg MPG

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