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2015 GMC Sierra 1500 MPG

Based on data from 207 vehicles, 20,328 fuel-ups and 5,953,886 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 (2.92%) removed.

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

2015 GMC Sierra 1500s For Sale Nearby

  • GMC Truck

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added May 2020 • 68 Fuel-ups

    Property of Chuck16785

  • 17.2 Avg MPG
  • BlueFishDogTooth III

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added May 2019 • 98 Fuel-ups

    Property of dennisp2938

  • 12.6 Avg MPG
  • GMC Sierra Denali

    2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed
    Added Aug 2016 • 307 Fuel-ups

    Property of mnetland

  • 18.6 Avg MPG
  • Sierra All Terrain

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Jul 2015 • 189 Fuel-ups

    Property of Gilles

  • 17.4 Avg MPG
  • Ali

    2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 6 Speed
    Added Sep 2021 • 19 Fuel-ups

    Property of WPro

  • 16.5 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLE 4.3L V6 FLEX Automatic 6 Speed
    Added Nov 2019 • 66 Fuel-ups

    Property of Musang

  • 15.1 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
    Added Mar 2021 • 23 Fuel-ups

    Property of kyleiowa

  • 15.9 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Aug 2016 • 239 Fuel-ups

    Property of Mike1ch

  • 13.1 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 Denali 5.3L V8 GAS Automatic 6 Speed
    Added May 2018 • 57 Fuel-ups

    Property of arcasey1989

  • 14.2 Avg MPG
  • GMC Sierra

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added May 2015 • 408 Fuel-ups

    Property of Arctic388

  • 16.4 Avg MPG
  • Black Truck

    2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
    Added Mar 2017 • 355 Fuel-ups

    Property of Dukesask

  • 14.8 Avg MPG
  • GMC Sierra

    2015 GMC Sierra 1500 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Oct 2021 • 12 Fuel-ups

    Property of macbot2000

  • 12.2 Avg MPG
  • 2015 GMC SIERRA CREW CAB

    2015 GMC Sierra 1500 SLT 6.2L GAS V8 Automatic 8 Crew Cab Pickup (4 Door)
    Added May 2015 • 137 Fuel-ups

    Property of Freeweeling

  • 18.4 Avg MPG
  • Alex's GMC

    2015 GMC Sierra 1500
    Added Mar 2022 • 8 Fuel-ups

    Property of COM-Mattawa

  • 16.0 Avg MPG
  • 2015 GMC SIERRA CREW CAB TOWING

    2015 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed Crew Cab Pickup
    Added Jun 2015 • 57 Fuel-ups

    Property of Freeweeling

  • 14.1 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Jan 2018 • 223 Fuel-ups

    Property of akrutzler

  • 15.5 Avg MPG
  • GMC Sierra 1500

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Jul 2020 • 23 Fuel-ups

    Property of KeeBlitz

  • 18.7 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Oct 2015 • 85 Fuel-ups

    Property of Clemsonfan15

  • 16.1 Avg MPG
  • Denali

    2015 GMC Sierra 1500 Denali 5.3L V8 GAS Automatic 6 Speed
    Added May 2020 • 55 Fuel-ups

    Property of richardmnagle

  • 10.7 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
    Added Oct 2020 • 20 Fuel-ups

    Property of Selway

  • 17.2 Avg MPG

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from other GMC Sierra 1500 vehicles (View All)

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