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2015 GMC Sierra MPG

Based on data from 14 vehicles, 1,075 fuel-ups and 303,086 miles of driving, the 2015 GMC Sierra gets a combined Avg MPG of 15.55 with a 0.28 MPG margin of error.

Below you can see a distribution of the fuel-ups with 13 outliers (1.19%) removed.

Following shows the average MPG of each of the 14 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 • 79 Fuel-ups

    Property of oldelkhunter

  • 20.0 Avg MPG
  • Sierra

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

    Property of kiddjus

  • 15.1 Avg MPG
  • New Truck

    2015 GMC Sierra All Terrain 5.3L V8 GAS Automatic 6 Speed
    Added Oct 2016 • 146 Fuel-ups

    Property of navy0010

  • 15.4 Avg MPG
  • Sierra

    2015 GMC Sierra SLE
    Added Mar 2017 • 75 Fuel-ups

    Property of ramstepside83

  • 17.9 Avg MPG
  • Quick silver

    2015 GMC Sierra 5.3L V8 GAS Automatic 6 Speed
    Added Mar 2017 • 103 Fuel-ups

    Property of wrench

  • 19.3 Avg MPG
  • GMC Black

    2015 GMC Sierra 5.3L V8 GAS Automatic 6 Speed
    Added Aug 2016 • 46 Fuel-ups

    Property of JoeShaker

  • 15.4 Avg MPG
  • Kent Campbell

    2015 GMC Sierra Denali 6.2L V8 GAS Automatic 8 Speed
    Added Mar 2017 • 223 Fuel-ups

    Property of campbell1108

  • 11.2 Avg MPG
  • Charity

    2015 GMC Sierra 5.3L V8 GAS Automatic 6 Speed
    Added Mar 2017 • 52 Fuel-ups

    Property of mkcollimsworth

  • 16.9 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
  • 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 • 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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