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2012 GMC Sierra 1500 MPG

Based on data from 80 vehicles, 6,059 fuel-ups and 1,762,874 miles of driving, the 2012 GMC Sierra 1500 gets a combined Avg MPG of 14.71 with a 0.08 MPG margin of error.

Below you can see a distribution of the fuel-ups with 57 outliers (0.93%) removed.

Following shows the average MPG of each of the 80 vehicles in the system.

2012 GMC Sierra 1500s For Sale Nearby

  • My Sierra 1500

    2012 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
    Added Apr 2021 • 41 Fuel-ups

    Property of mgoblue94

  • 15.0 Avg MPG
  • My Sierra 1500

    2012 GMC Sierra 1500 WT 4.8L V8 FLEX Automatic 6 Speed
    Added Jun 2022 • 46 Fuel-ups

    Property of fatdadsgarage

  • 16.7 Avg MPG
  • GMC Sierra

    2012 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 4 Speed
    Added Mar 2019 • 31 Fuel-ups

    Property of bradlanouette

  • 14.6 Avg MPG
  • GMC 2012

    2012 GMC Sierra 1500 Denali 6.2L V8 FLEX Automatic 6 Speed
    Added Sep 2016 • 248 Fuel-ups

    Property of masterhoser

  • 14.3 Avg MPG
  • Pearl

    2012 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Sep 2020 • 127 Fuel-ups

    Property of Wicho5

  • 10.7 Avg MPG
  • Frank The Tank

    2012 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
    Added Sep 2021 • 19 Fuel-ups

    Property of Tclechner

  • 12.3 Avg MPG
  • Cowboy's Cadillac

    2012 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Feb 2016 • 289 Fuel-ups

    Property of TheMayor

  • 13.5 Avg MPG
  • Work Sierra 1500

    2012 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
    Added Nov 2019 • 216 Fuel-ups

    Property of Jathroo

  • 14.5 Avg MPG
  • My Sierra 1500

    2012 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
    Added Jul 2020 • 55 Fuel-ups

    Property of storm_5oh

  • 13.6 Avg MPG
  • Sierra

    2012 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
    Added Dec 2012 • 222 Fuel-ups

    Property of maverick17

  • 16.6 Avg MPG
  • My Sierra 1500

    2012 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
    Added Jun 2016 • 217 Fuel-ups

    Property of sicariusinferi

  • 14.3 Avg MPG
  • 246-40

    2012 GMC Sierra 1500 SL 4.8L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Mar 2023 • 11 Fuel-ups

    Property of Brandon-Lawrence

  • 15.6 Avg MPG
  • 246-38

    2012 GMC Sierra 1500 SL 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Mar 2023 • 7 Fuel-ups

    Property of Brandon-Lawrence

  • 9.7 Avg MPG
  • 5.3L Z71 CCSB

    2012 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Mar 2012 • 215 Fuel-ups

    Property of willfull04

  • 16.1 Avg MPG
  • Snow Storm

    2012 GMC Sierra 1500 Denali 6.2L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Aug 2019 • 189 Fuel-ups

    Property of Ngiles79

  • 11.4 Avg MPG
  • Sierra 1500

    2012 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
    Added Sep 2018 • 77 Fuel-ups

    Property of Matthew77

  • 12.8 Avg MPG
  • Truck

    2012 GMC Sierra 1500 SLT 6.2L V8 FLEX Automatic 6 Speed
    Added Dec 2020 • 81 Fuel-ups

    Property of saharper

  • 11.5 Avg MPG
  • 2012 GMC Sierra 1500 Z71

    2012 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
    Added Sep 2016 • 222 Fuel-ups

    Property of slabshaft

  • 16.2 Avg MPG
  • Ricks truck

    2012 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
    Added Nov 2016 • 149 Fuel-ups

    Property of rickytwo

  • 11.2 Avg MPG
  • 2012 GMC Sierra SLE

    2012 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
    Added Feb 2017 • 433 Fuel-ups

    Property of WalkerSchwengler

  • 14.3 Avg MPG

Recent Activity

from other GMC Sierra 1500 vehicles (View All)

Tips

Yes, DO coast in neutral

Tips say injectors shut off when you coast in gear. True on ... ...

by Hexadecimus

Read more tips