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2012 GMC Sierra 1500 MPG

Based on data from 84 vehicles, 6,499 fuel-ups and 1,889,737 miles of driving, the 2012 GMC Sierra 1500 gets a combined Avg MPG of 14.65 with a 0.08 MPG margin of error.

Below you can see a distribution of the fuel-ups with 152 outliers (2.29%) removed.

Following shows the average MPG of each of the 84 vehicles in the system.

2012 GMC Sierra 1500s For Sale Nearby

  • Work Sierra 1500

    2012 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
    Added Nov 2019 • 270 Fuel-ups

    Property of Jathroo

  • 14.5 Avg MPG
  • Snow Storm

    2012 GMC Sierra 1500 Denali 6.2L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Aug 2019 • 266 Fuel-ups

    Property of Ngiles79

  • 11.4 Avg MPG
  • 246-40

    2012 GMC Sierra 1500 SL 4.8L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Mar 2023 • 63 Fuel-ups

    Property of Brandon-Lawrence

  • 14.0 Avg MPG
  • My Sierra 1500

    2012 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
    Added Dec 2023 • 49 Fuel-ups

    Property of cameron15g

  • 16.3 Avg MPG
  • Truck

    2012 GMC Sierra 1500 SLT 6.2L V8 FLEX Automatic 6 Speed
    Added Dec 2020 • 120 Fuel-ups

    Property of saharper

  • 11.5 Avg MPG
  • My Sierra 1500

    2012 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
    Added Apr 2021 • 170 Fuel-ups

    Property of mgoblue94

  • 15.0 Avg MPG
  • My Sierra 1500

    2012 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
    Added Jul 2020 • 90 Fuel-ups

    Property of storm_5oh

  • 12.9 Avg MPG
  • GMC Sierra 1500

    2012 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
    Added Jul 2024 • 9 Fuel-ups

    Property of dyoung522

  • 14.0 Avg MPG
  • My Sierra 1500

    2012 GMC Sierra 1500 WT 4.8L V8 FLEX Automatic 6 Speed
    Added Jun 2022 • 90 Fuel-ups

    Property of fatdadsgarage

  • 16.4 Avg MPG
  • My Sierra 1500

    2012 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
    Added Dec 2023 • 23 Fuel-ups

    Property of MaxMcQueen

  • 14.4 Avg MPG
  • Sierra 1500

    2012 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
    Added Jun 2024 • 15 Fuel-ups

    Property of nmbs2k

  • 13.3 Avg MPG
  • Cowboy's Cadillac

    2012 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Feb 2016 • 357 Fuel-ups

    Property of TheMayor

  • 13.6 Avg MPG
  • 5.3L Z71 CCSB

    2012 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Mar 2012 • 252 Fuel-ups

    Property of willfull04

  • 16.1 Avg MPG
  • My Sierra 1500

    2012 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
    Added Jun 2016 • 223 Fuel-ups

    Property of sicariusinferi

  • 14.2 Avg MPG
  • GMC 2012

    2012 GMC Sierra 1500 Denali 6.2L V8 FLEX Automatic 6 Speed
    Added Sep 2016 • 258 Fuel-ups

    Property of masterhoser

  • 14.2 Avg MPG
  • My Sierra 1500

    2012 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
    Added Jun 2024 • 8 Fuel-ups

    Property of Rugby735

  • 14.8 Avg MPG
  • 2012 GMC Sierra 1500 Z71

    2012 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
    Added Sep 2016 • 250 Fuel-ups

    Property of slabshaft

  • 16.2 Avg MPG
  • 12 GMC Sierra

    2012 GMC Sierra 1500 Denali 6.2L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Jun 2023 • 49 Fuel-ups

    Property of acjet88

  • 12.1 Avg MPG
  • Frank The Tank

    2012 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
    Added Sep 2021 • 29 Fuel-ups

    Property of Tclechner

  • 12.6 Avg MPG
  • Sierra 1500

    2012 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
    Added Sep 2018 • 89 Fuel-ups

    Property of Matthew77

  • 12.9 Avg MPG

Recent Activity

from other GMC Sierra 1500 vehicles (View All)

Tips

Cruise Control not always better

On flat or constant grades, the cruise works best for MPG. ... ...

by soutthpaw

Read more tips