2015 GMC Sierra MPG

Based on data from 14 vehicles, 855 fuel-ups and 232,265 miles of driving, the 2015 GMC Sierra gets a combined Avg MPG of 15.17 with a 0.31 MPG margin of error.

Below you can see a distribution of the fuel-ups with 12 outliers (1.38%) removed.

Following shows the average MPG of each of the 14 vehicles in the system.

2015 GMC Sierras For Sale Nearby

  • Sierra

    2015 GMC Sierra Mine
    Added Mar 2017 • 33 Fuel-ups

    Property of kiddjus

  • 14.1 Avg MPG
  • Delta Sierra

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

    Property of oldelkhunter

  • 19.8 Avg MPG
  • Kent Campbell

    2015 GMC Sierra Denali 6.2L V8 GAS Automatic 8 Speed
    Added Mar 2017 • 194 Fuel-ups

    Property of campbell1108

  • 11.2 Avg MPG
  • Sierra

    2015 GMC Sierra SLE
    Added Mar 2017 • 57 Fuel-ups

    Property of ramstepside83

  • 17.7 Avg MPG
  • 2015 GMC SIERRA

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

    Property of jimmer2229

  • 14.9 Avg MPG
  • GMC Black

    2015 GMC Sierra 5.3L V8 GAS Automatic 6 Speed
    Added Aug 2016 • 36 Fuel-ups

    Property of JoeShaker

  • 15.7 Avg MPG
  • Charity

    2015 GMC Sierra 5.3L V8 GAS Automatic 6 Speed
    Added Mar 2017 • 39 Fuel-ups

    Property of mkcollimsworth

  • 16.8 Avg MPG
  • Quick silver

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

    Property of wrench

  • 19.3 Avg MPG
  • New Truck

    2015 GMC Sierra All Terrain 5.3L V8 GAS Automatic 6 Speed
    Added Oct 2016 • 113 Fuel-ups

    Property of navy0010

  • 15.5 Avg MPG
  • 2015 GMC Sierra

    2015 GMC Sierra 5.3L V8 GAS Automatic 6 Speed
    Added Aug 2016 • 22 Fuel-ups

    Property of cheese7007

  • 12.9 Avg MPG
  • Ian Fummerton

    2015 GMC Sierra 5.3L V8 GAS Automatic 6 Speed
    Added Mar 2017 • 70 Fuel-ups

    Property of fummy

  • 15.0 Avg MPG
  • Moms New Wheels

    2015 GMC Sierra 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Oct 2015 • 71 Fuel-ups

    Property of Momsweetride

  • 15.9 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

Recent Activity

from other GMC Sierra vehicles (View All)

Tips

Learn your gears!

For Automatic cars with a Tiptronic/manual override gearbox,... ...

by ryanknowles1

Read more tips