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2012 GMC Sierra 2500 HD MPG

Based on data from 48 vehicles, 3,975 fuel-ups and 1,291,824 miles of driving, the 2012 GMC Sierra 2500 HD gets a combined Avg MPG of 13.56 with a 0.10 MPG margin of error.

Below you can see a distribution of the fuel-ups with 290 outliers (6.80%) removed.

Following shows the average MPG of each of the 48 vehicles in the system.

2012 GMC Sierra 2500 HDs For Sale Nearby

  • GMC

    2012 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added May 2018 • 274 Fuel-ups

    Property of autodata

  • 12.6 Avg MPG
  • GMC

    2012 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Feb 2022 • 83 Fuel-ups

    Property of BrendanPoston

  • 14.6 Avg MPG
  • 2012 GMC Sierra 2500HD

    2012 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
    Added Sep 2016 • 148 Fuel-ups

    Property of bklynbullet

  • 13.0 Avg MPG
  • Denali

    2012 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Sep 2020 • 207 Fuel-ups

    Property of jerry3039

  • 13.9 Avg MPG
  • My Sierra 2500 HD

    2012 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jun 2017 • 309 Fuel-ups

    Property of avi8er82

  • 14.3 Avg MPG
  • GMC 2500HD

    2012 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Oct 2017 • 302 Fuel-ups

    Property of rrustong

  • 13.9 Avg MPG
  • Sierra 2500 HD

    2012 GMC Sierra 2500 HD SLE 6.0L V8 FLEX Automatic 6 Speed
    Added Nov 2023 • 23 Fuel-ups

    Property of Ind-Mtber77

  • 11.4 Avg MPG
  • 00 2012 Chugs 2500hd

    2012 GMC Sierra 2500 HD WT 6.0L V8 GAS Automatic 6 Speed
    Added Apr 2024 • 34 Fuel-ups

    Property of saxy415

  • 10.1 Avg MPG
  • Sierra HD K2500

    2012 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Aug 2016 • 399 Fuel-ups

    Property of pavkurcon

  • 13.8 Avg MPG
  • My Sierra 2500 HD

    2012 GMC Sierra 2500 HD SLE 6.0L V8 GAS Automatic 6 Speed
    Added Nov 2023 • 44 Fuel-ups

    Property of doitrightdad

  • 10.3 Avg MPG
  • Texas

    2012 GMC Sierra 2500 HD SLT 6.0L V8 GAS Automatic 6 Speed Cab & Chassis - Crew Cab
    Added Jan 2024 • 33 Fuel-ups

    Property of raltendorf

  • 9.1 Avg MPG
  • Duramax

    2012 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Sep 2016 • 117 Fuel-ups

    Property of wings180

  • 15.8 Avg MPG
  • My Sierra 2500 HD

    2012 GMC Sierra 2500 HD SLT 6.0L V8 FLEX Automatic 6 Speed
    Added Sep 2024 • 132 Fuel-ups

    Property of Dennis-391

  • 12.5 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 • 180 Fuel-ups

    Property of pewterformula

  • 15.8 Avg MPG
  • Sierra 2500 HD

    2012 GMC Sierra 2500 HD SLT 6.0L V8 FLEX Automatic 6 Speed
    Added Mar 2019 • 74 Fuel-ups

    Property of navy0010

  • 13.7 Avg MPG
  • My Sierra 2500 HD

    2012 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jan 2023 • 4 Fuel-ups

    Property of ddumo98

  • 13.8 Avg MPG
  • My Sierra 2500 HD

    2012 GMC Sierra 2500 HD WT 6.0L V8 FLEX Automatic 6 Speed
    Added Mar 2022 • 6 Fuel-ups

    Property of FordTough48

  • 12.0 Avg MPG
  • My Sierra 2500 HD

    2012 GMC Sierra 2500 HD WT 6.0L V8 FLEX Automatic 6 Speed
    Added Jan 2020 • 19 Fuel-ups

    Property of KENJUMP

  • 11.4 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

Recent Activity

from other GMC Sierra 2500 HD vehicles (View All)

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