Click here to see important news regarding the aCar App

2015 GMC Sierra 1500 MPG

Based on data from 218 vehicles, 23,591 fuel-ups and 6,842,533 miles of driving, the 2015 GMC Sierra 1500 gets a combined Avg MPG of 15.71 with a 0.04 MPG margin of error.

Below you can see a distribution of the fuel-ups with 723 outliers (2.97%) removed.

Following shows the average MPG of each of the 218 vehicles in the system.

2015 GMC Sierra 1500s For Sale Nearby

  • GMC Sierra

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Aug 2016 • 122 Fuel-ups

    Property of Roadwarrior32

  • 16.6 Avg MPG
  • GMC Sierra 1500

    2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
    Added Dec 2017 • 5 Fuel-ups

    Property of rodflowers8888

  • 18.7 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Sep 2017 • 11 Fuel-ups

    Property of kpmerritt

  • 16.1 Avg MPG
  • 2015 GMC 1500 SLE

    2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
    Added Aug 2016 • 783 Fuel-ups

    Property of kpwaterdoc

  • 13.3 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 SLE 4.3L V6 FLEX Automatic 6 Speed
    Added Feb 2016 • 20 Fuel-ups

    Property of mrmicrochip

  • 9.9 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 4.3L V6 FLEX Automatic 6 Speed
    Added Nov 2016 • 138 Fuel-ups

    Property of rahman20k

  • 19.0 Avg MPG
  • Sierra '15

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Sep 2016 • 131 Fuel-ups

    Property of karldv

  • 14.3 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed
    Added Jan 2016 • 60 Fuel-ups

    Property of Bitten70

  • 14.9 Avg MPG
  • Sierra Denali

    2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed
    Added Mar 2017 • 61 Fuel-ups

    Property of sappermiller

  • 16.4 Avg MPG
  • Sierra 1500

    2015 GMC Sierra 1500 SLE 4.3L V6 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Oct 2015 • 110 Fuel-ups

    Property of starnix59

  • 18.6 Avg MPG
  • Sierra4x4,5.3,crew,SB

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Sep 2015 • 32 Fuel-ups

    Property of LowbanksArcher

  • 16.7 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed
    Added Sep 2016 • 19 Fuel-ups

    Property of miniozzy3

  • 17.1 Avg MPG
  • Stone Blue Denali

    2015 GMC Sierra 1500 Denali 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Nov 2014 • 88 Fuel-ups

    Property of Digger3

  • 18.9 Avg MPG
  • GMC

    2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
    Added Feb 2015 • 144 Fuel-ups

    Property of Qbert

  • 17.3 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 SLE 4.3L V6 FLEX Automatic 6 Speed
    Added Apr 2018 • 117 Fuel-ups

    Property of mitchellalger

  • 18.7 Avg MPG
  • 2015 GMC Sierra

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Oct 2017 • 162 Fuel-ups

    Property of dbball

  • 17.3 Avg MPG
  • GMC Sierra

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
    Added Dec 2016 • 57 Fuel-ups

    Property of Paul303

  • 17.6 Avg MPG
  • 2015 GMC Sierra

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
    Added Jul 2017 • 79 Fuel-ups

    Property of barfieldcr

  • 17.6 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed
    Added Jun 2017 • 3 Fuel-ups

    Property of troy1999

  • 16.4 Avg MPG
  • Phoenix Sierra 1500

    2015 GMC Sierra 1500 4.3L V6 FLEX Automatic 6 Speed
    Added Mar 2017 • 20 Fuel-ups

    Property of RKTfuel

  • 15.7 Avg MPG

Recent Activity

from other GMC Sierra 1500 vehicles (View All)

Tips

Beware fuel deals

I gassed up twice at different gas stations at the Georgia, ... ...

by TNflash

Read more tips