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2015 GMC Sierra MPG

Based on data from 15 vehicles, 1,190 fuel-ups and 335,867 miles of driving, the 2015 GMC Sierra gets a combined Avg MPG of 15.67 with a 0.26 MPG margin of error.

Below you can see a distribution of the fuel-ups with 16 outliers (1.33%) removed.

Following shows the average MPG of each of the 15 vehicles in the system.

2015 GMC Sierras For Sale Nearby

  • Delta Sierra

    2015 GMC Sierra 5.3L V8 GAS Automatic 6 Speed
    Added Sep 2016 • 90 Fuel-ups

    Property of oldelkhunter

  • 19.9 Avg MPG
  • 2015 GMC

    2015 GMC Sierra SLE
    Added Jan 2018 • 70 Fuel-ups

    Property of Gimmy

  • 17.9 Avg MPG
  • Quick silver

    2015 GMC Sierra 5.3L V8 GAS Automatic 6 Speed
    Added Mar 2017 • 110 Fuel-ups

    Property of wrench

  • 19.2 Avg MPG
  • Kent Campbell

    2015 GMC Sierra Denali 6.2L V8 GAS Automatic 8 Speed
    Added Mar 2017 • 230 Fuel-ups

    Property of campbell1108

  • 11.2 Avg MPG
  • Charity

    2015 GMC Sierra 5.3L V8 GAS Automatic 6 Speed
    Added Mar 2017 • 57 Fuel-ups

    Property of mkcollimsworth

  • 16.9 Avg MPG
  • GMC Black

    2015 GMC Sierra 5.3L V8 GAS Automatic 6 Speed
    Added Aug 2016 • 50 Fuel-ups

    Property of JoeShaker

  • 15.2 Avg MPG
  • Sierra

    2015 GMC Sierra SLE
    Added Mar 2017 • 81 Fuel-ups

    Property of ramstepside83

  • 17.8 Avg MPG
  • New Truck

    2015 GMC Sierra All Terrain 5.3L V8 GAS Automatic 6 Speed
    Added Oct 2016 • 152 Fuel-ups

    Property of navy0010

  • 15.4 Avg MPG
  • Sierra

    2015 GMC Sierra Mine
    Added Mar 2017 • 60 Fuel-ups

    Property of kiddjus

  • 15.0 Avg MPG
  • 2015 GMC Sierra

    2015 GMC Sierra 5.3L V8 GAS Automatic 6 Speed
    Added Aug 2016 • 23 Fuel-ups

    Property of cheese7007

  • 12.8 Avg MPG
  • Moms New Wheels

    2015 GMC Sierra 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Oct 2015 • 116 Fuel-ups

    Property of Momsweetride

  • 16.3 Avg MPG
  • Ian Fummerton

    2015 GMC Sierra 5.3L V8 GAS Automatic 6 Speed
    Added Mar 2017 • 74 Fuel-ups

    Property of fummy

  • 15.5 Avg MPG
  • 2015 GMC SIERRA

    2015 GMC Sierra LT
    Added Mar 2017 • 56 Fuel-ups

    Property of jimmer2229

  • 14.9 Avg MPG
  • Blue Bombshell

    2015 GMC Sierra All Terrain 5.3L V8 GAS Automatic 6 Speed
    Added Sep 2016 • 67 Fuel-ups

    Property of kcbace

  • 14.8 Avg MPG
  • Sierra

    2015 GMC Sierra All Terrain 5.3L V8 GAS Automatic 6 Speed
    Added Mar 2017 • 62 Fuel-ups

    Property of elisepol

  • 17.6 Avg MPG

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from other GMC Sierra vehicles (View All)

Tips

Find the sweet spot of needed throttle pressure.

When traveling around highway speeds note your throttle inpu... ...

by Lokis_Tyro

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