2015 GMC Sierra 1500 MPG

Based on data from 114 vehicles, 5,240 fuel-ups and 1,566,714 miles of driving, the 2015 GMC Sierra 1500 gets a combined Avg MPG of 15.92 with a 0.09 MPG margin of error.

Below you can see a distribution of the fuel-ups with 270 outliers (4.90%) removed.

Following shows the average MPG of each of the 114 vehicles in the system.

2015 GMC Sierra 1500s For Sale Nearby

  • My Sierra 1500

    2015 GMC Sierra 1500 4.3L V6 FLEX Automatic 6 Speed
    Added Nov 2016 • 68 Fuel-ups

    Property of rahman20k

  • 19.1 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Oct 2015 • 25 Fuel-ups

    Property of Clemsonfan15

  • 16.6 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed Crew Cab Pickup
    Added Sep 2015 • 58 Fuel-ups

    Property of savaytse66

  • 15.9 Avg MPG
  • 2015 GMC

    2015 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed
    Added Sep 2016 • 74 Fuel-ups

    Property of bluez06

  • 16.1 Avg MPG
  • 2015 GMC Sierra

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Sep 2016 • 148 Fuel-ups

    Property of jrulapaugh

  • 12.7 Avg MPG
  • Joey's GMC

    2015 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed
    Added Sep 2016 • 66 Fuel-ups

    Property of Shakora

  • 14.7 Avg MPG
  • GMC Sierra

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
    Added Dec 2016 • 36 Fuel-ups

    Property of Paul303

  • 17.7 Avg MPG
  • Sierra 1500

    2015 GMC Sierra 1500 SLE 4.3L V6 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Oct 2015 • 78 Fuel-ups

    Property of starnix59

  • 18.7 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
    Added Mar 2017 • 17 Fuel-ups

    Property of CurtK

  • 17.7 Avg MPG
  • Gmc

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Mar 2017 • 61 Fuel-ups

    Property of StanIROCZ

  • 16.3 Avg MPG
  • Joe's Sierra 1500

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Oct 2015 • 67 Fuel-ups

    Property of GMCJoe

  • 18.2 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 4.3L V6 FLEX Automatic 6 Speed Extended Cab Pickup
    Added Jun 2016 • 103 Fuel-ups

    Property of TheStepChild

  • 22.1 Avg MPG
  • GMC Sierra

    2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Feb 2015 • 121 Fuel-ups

    Property of glangham

  • 17.6 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
    Added Mar 2017 • 64 Fuel-ups

    Property of dgrule

  • 15.2 Avg MPG
  • GMC Sierra

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Aug 2016 • 91 Fuel-ups

    Property of Roadwarrior32

  • 16.6 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed Crew Cab Pickup
    Added Nov 2016 • 22 Fuel-ups

    Property of edwardwjq

  • 18.4 Avg MPG
  • 2015 GMC 1500 SLE

    2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
    Added Aug 2016 • 684 Fuel-ups

    Property of kpwaterdoc

  • 12.4 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Aug 2016 • 24 Fuel-ups

    Property of ottovanb

  • 14.8 Avg MPG
  • GMC

    2015 GMC Sierra 1500 SLE 5.3L FLEX V8 Automatic 6
    Added Feb 2015 • 123 Fuel-ups

    Property of Qbert

  • 17.1 Avg MPG
  • GMC Sierra

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added May 2015 • 137 Fuel-ups

    Property of Arctic388

  • 16.3 Avg MPG

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