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2015 GMC Sierra 1500 MPG

Based on data from 207 vehicles, 20,328 fuel-ups and 5,953,886 miles of driving, the 2015 GMC Sierra 1500 gets a combined Avg MPG of 15.78 with a 0.05 MPG margin of error.

Below you can see a distribution of the fuel-ups with 611 outliers (2.92%) removed.

Following shows the average MPG of each of the 207 vehicles in the system.

2015 GMC Sierra 1500s For Sale Nearby

  • Big Black

    2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed Crew Cab Pickup
    Added Mar 2015 • 107 Fuel-ups

    Property of uscoastie1

  • 16.5 Avg MPG
  • Blue truck

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Dec 2017 • 34 Fuel-ups

    Property of ZollieH77

  • 12.2 Avg MPG
  • 2015 GMC Sierra

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Sep 2016 • 210 Fuel-ups

    Property of jrulapaugh

  • 12.3 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Oct 2017 • 23 Fuel-ups

    Property of woodyoc

  • 16.0 Avg MPG
  • 2015 Sierra 5.3 Z71 with cap

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Dec 2016 • 10 Fuel-ups

    Property of hopkid

  • 18.5 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added May 2017 • 24 Fuel-ups

    Property of brennans

  • 17.4 Avg MPG
  • Z. Stella

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Oct 2017 • 62 Fuel-ups

    Property of Mtnboarder

  • 16.3 Avg MPG
  • 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, It Tows Stuff

    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

Recent Activity

from other GMC Sierra 1500 vehicles (View All)

Tips

Drive in higher gears

On my old car I would always shift the automatic transmissio... ...

by Barquito

Read more tips