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2015 GMC Sierra 1500 MPG

Based on data from 207 vehicles, 20,356 fuel-ups and 5,962,048 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 (2.91%) removed.

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

2015 GMC Sierra 1500s For Sale Nearby

  • 2015 Sierra 1500

    2015 GMC Sierra 1500 Denali 5.3L V8 GAS Automatic 6 Speed
    Added May 2018 • 66 Fuel-ups

    Property of gksills

  • 17.0 Avg MPG
  • Sierra Denali 2015

    2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 6 Speed
    Added Jun 2018 • 121 Fuel-ups

    Property of ivertiz

  • 15.9 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Feb 2015 • 161 Fuel-ups

    Property of natterbe

  • 18.5 Avg MPG
  • 2015 GMC Sierra

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed Extended Cab Pickup
    Added Apr 2015 • 104 Fuel-ups

    Property of chevyryan

  • 17.3 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 Denali 5.3L V8 GAS Automatic 6 Speed
    Added Aug 2019 • 22 Fuel-ups

    Property of trackingwild

  • 16.0 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 5.3L V8 FLEX Automatic 6 Speed
    Added Feb 2020 • 4 Fuel-ups

    Property of mcs1960

  • 14.1 Avg MPG
  • 2015 GMC SIERRA

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Jan 2018 • 313 Fuel-ups

    Property of Morts

  • 15.0 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Jan 2018 • 45 Fuel-ups

    Property of aardwolf

  • 16.2 Avg MPG
  • My GMC Sierra

    2015 GMC Sierra 1500 4.3L V6 FLEX Automatic 6 Speed Extended Cab Pickup
    Added Jun 2016 • 309 Fuel-ups

    Property of TheStepChild

  • 21.9 Avg MPG
  • 2015 Sierra 1500

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Apr 2015 • 216 Fuel-ups

    Property of browley

  • 16.4 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
    Added Jan 2020 • 8 Fuel-ups

    Property of SpedMan

  • 11.1 Avg MPG
  • GMC

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed Extended Cab Pickup
    Added May 2019 • 29 Fuel-ups

    Property of dkrutka24

  • 14.8 Avg MPG
  • Truck

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Sep 2016 • 154 Fuel-ups

    Property of drmiket

  • 15.9 Avg MPG
  • Bertha (Traded)

    2015 GMC Sierra 1500 Denali 5.3L V8 FLEX Automatic 6 Speed
    Added Sep 2016 • 187 Fuel-ups

    Property of AndieAnderson

  • 15.6 Avg MPG
  • 2015 GMC 1500

    2015 GMC Sierra 1500 Denali 5.3L V8 GAS Automatic 6 Speed
    Added May 2017 • 93 Fuel-ups

    Property of JackMrla

  • 16.9 Avg MPG
  • 2015 Sierra

    2015 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed Crew Cab Pickup
    Added Sep 2019 • 3 Fuel-ups

    Property of ilovemaui

  • 14.4 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Jan 2016 • 165 Fuel-ups

    Property of deckep

  • 16.9 Avg MPG
  • GMC Sierra

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Dec 2018 • 24 Fuel-ups

    Property of GatorCowboy

  • 15.9 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed Crew Cab Pickup
    Added Sep 2015 • 160 Fuel-ups

    Property of savaytse66

  • 16.2 Avg MPG
  • 15 Sierra Z-71

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Jul 2016 • 155 Fuel-ups

    Property of ajgeiman

  • 16.2 Avg MPG

Recent Activity

from other GMC Sierra 1500 vehicles (View All)

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