Click here to see important news regarding the aCar App

2012 GMC Sierra 2500 HD MPG

Based on data from 48 vehicles, 3,955 fuel-ups and 1,286,474 miles of driving, the 2012 GMC Sierra 2500 HD gets a combined Avg MPG of 13.57 with a 0.10 MPG margin of error.

Below you can see a distribution of the fuel-ups with 288 outliers (6.79%) removed.

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

2012 GMC Sierra 2500 HDs For Sale Nearby

  • Sierra 2500 HD

    2012 GMC Sierra 2500 HD SLE 6.0L V8 FLEX Automatic 6 Speed
    Added Nov 2023 • 21 Fuel-ups

    Property of Ind-Mtber77

  • 11.3 Avg MPG
  • Denali

    2012 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Sep 2020 • 204 Fuel-ups

    Property of jerry3039

  • 13.8 Avg MPG
  • Sierra HD K2500

    2012 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
    Added Aug 2016 • 398 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
  • GMC

    2012 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Feb 2022 • 77 Fuel-ups

    Property of BrendanPoston

  • 14.6 Avg MPG
  • My Sierra 2500 HD

    2012 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Jun 2017 • 307 Fuel-ups

    Property of avi8er82

  • 14.3 Avg MPG
  • GMC

    2012 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added May 2018 • 272 Fuel-ups

    Property of autodata

  • 12.6 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
  • GMC 2500HD

    2012 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
    Added Oct 2017 • 300 Fuel-ups

    Property of rrustong

  • 13.9 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
  • 00 2012 Chugs 2500hd

    2012 GMC Sierra 2500 HD WT 6.0L V8 GAS Automatic 6 Speed
    Added Apr 2024 • 29 Fuel-ups

    Property of saxy415

  • 10.7 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)

Tips

save gas

bum rides off of friends as much as possible to save gas

by NathanIreland

Read more tips