Click here to see important news regarding the aCar App

2012 GMC Sierra MPG

Based on data from 20 vehicles, 3,133 fuel-ups and 840,257 miles of driving, the 2012 GMC Sierra gets a combined Avg MPG of 13.74 with a 0.11 MPG margin of error.

Below you can see a distribution of the fuel-ups with 93 outliers (2.88%) removed.

Following shows the average MPG of each of the 20 vehicles in the system.

2012 GMC Sierras For Sale Nearby

  • Denali

    2012 GMC Sierra Denali 6.2L V8 FLEX Automatic 6 Speed
    Added Oct 2016 • 593 Fuel-ups

    Property of bmhlondon

  • 13.6 Avg MPG
  • Sierra

    2012 GMC Sierra Denali 6.2L V8 GAS Automatic 6 Speed
    Added Mar 2017 • 736 Fuel-ups

    Property of panther5232

  • 12.7 Avg MPG
  • GMC truck

    2012 GMC Sierra 5.3L V8 GAS Automatic 6 Speed
    Added Aug 2016 • 343 Fuel-ups

    Property of recoutts

  • 17.7 Avg MPG
  • Sierra

    2012 GMC Sierra 5.3L V8 GAS Automatic 6 Speed
    Added Sep 2016 • 353 Fuel-ups

    Property of mmlipps

  • 16.5 Avg MPG
  • 2012 GMC Truck

    2012 GMC Sierra Denali 6.2L V8 FLEX Automatic 6 Speed
    Added Mar 2017 • 357 Fuel-ups

    Property of xdiehard04x

  • 12.5 Avg MPG
  • Doye

    2012 GMC Sierra 5.3L V8 GAS Automatic 6 Speed
    Added Aug 2016 • 133 Fuel-ups

    Property of pkking

  • 16.4 Avg MPG
  • Sold Net's GMC 2012 truck

    2012 GMC Sierra 5.3L V8 FLEX Automatic 6 Speed
    Added Mar 2017 • 22 Fuel-ups

    Property of redrover58

  • 17.9 Avg MPG
  • SAWYER

    2012 GMC Sierra 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Mar 2019 • 6 Fuel-ups

    Property of ChumLeeAFM

  • 18.5 Avg MPG
  • My Sierra

    2012 GMC Sierra 5.3L V8 GAS Automatic 6 Speed
    Added Jul 2017 • 46 Fuel-ups

    Property of justinschopp

  • 15.7 Avg MPG
  • Gmc sierra farm fuel

    2012 GMC Sierra Denali 6.2L V8 GAS Automatic 6 Speed
    Added Mar 2017 • 263 Fuel-ups

    Property of sask

  • 12.3 Avg MPG
  • Scott's Truck

    2012 GMC Sierra 5.3L V8 GAS Automatic 6 Speed
    Added Mar 2017 • 206 Fuel-ups

    Property of scargis

  • 17.4 Avg MPG
  • My Sierra

    2012 GMC Sierra 5.3L V8 GAS Automatic 6 Speed
    Added Jan 2018 • 7 Fuel-ups

    Property of Donnab11257

  • 15.5 Avg MPG
  • GMC Sierra

    2012 GMC Sierra 5.3L V8 GAS Automatic 6 Speed
    Added Aug 2016 • 145 Fuel-ups

    Property of 2012GMCLL

  • 18.9 Avg MPG
  • Lyle

    2012 GMC Sierra 5.3L V8 GAS Automatic 6 Speed
    Added Mar 2017 • 180 Fuel-ups

    Property of LyleO

  • 14.3 Avg MPG
  • Blue Bird

    2012 GMC Sierra 5.3L V8 GAS Automatic 6 Speed
    Added Mar 2017 • 61 Fuel-ups

    Property of jlewis

  • 11.7 Avg MPG
  • 2012 GMC Sierra 1500

    2012 GMC Sierra Denali 6.2L V8 GAS Automatic 6 Speed
    Added Mar 2017 • 21 Fuel-ups

    Property of sask

  • 13.9 Avg MPG
  • My Sierra

    2012 GMC Sierra 5.3L GAS V8 Automatic 6
    Added Jun 2015 • 7 Fuel-ups

    Property of Norgaards1

  • 13.7 Avg MPG
  • Sierra

    2012 GMC Sierra 5.3L V8 GAS Automatic 6 Speed
    Added Apr 2017 • 32 Fuel-ups

    Property of Canper_Bob

  • 14.0 Avg MPG
  • COBRA

    2012 GMC Sierra 5.3L V8 GAS Automatic 6 Speed
    Added Jun 2020 • 8 Fuel-ups

    Property of jake8702

  • 13.5 Avg MPG
  • Sierra

    2012 GMC Sierra 5.3L V8 GAS Automatic 6 Speed
    Added Mar 2018 • 15 Fuel-ups

    Property of bbrinks81

  • 17.3 Avg MPG

Recent Activity

from other GMC Sierra vehicles (View All)

Tips

Is your alingment right???

If your cars wheels and tires are not aligned right this can... ...

by pynikal

Read more tips