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2015 GMC Sierra 1500 MPG

Based on data from 214 vehicles, 22,058 fuel-ups and 6,434,686 miles of driving, the 2015 GMC Sierra 1500 gets a combined Avg MPG of 15.77 with a 0.04 MPG margin of error.

Below you can see a distribution of the fuel-ups with 665 outliers (2.93%) removed.

Following shows the average MPG of each of the 214 vehicles in the system.

2015 GMC Sierra 1500s For Sale Nearby

  • Denali

    2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed
    Added Mar 2017 • 236 Fuel-ups

    Property of giro

  • 15.5 Avg MPG
  • Corys 2015 Seirra

    2015 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed
    Added Sep 2016 • 315 Fuel-ups

    Property of MrFastcars

  • 14.5 Avg MPG
  • Silver Surfer

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Extended Cab Pickup
    Added Apr 2016 • 364 Fuel-ups

    Property of humenfly

  • 17.6 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Apr 2018 • 367 Fuel-ups

    Property of ssirik

  • 14.9 Avg MPG
  • GMC Sierra

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added May 2015 • 446 Fuel-ups

    Property of Arctic388

  • 16.3 Avg MPG
  • GMC 1500 Crew

    2015 GMC Sierra 1500 Denali 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Mar 2019 • 171 Fuel-ups

    Property of wingbase

  • 11.8 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLE 4.3L V6 FLEX Automatic 6 Speed
    Added Nov 2019 • 84 Fuel-ups

    Property of Musang

  • 15.0 Avg MPG
  • GMC 1500 SLT

    2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Oct 2019 • 168 Fuel-ups

    Property of slatejoh

  • 15.3 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
    Added Jan 2018 • 373 Fuel-ups

    Property of Karels

  • 16.8 Avg MPG
  • Sierra 1500

    2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Extended Cab Pickup
    Added May 2020 • 194 Fuel-ups

    Property of jurbin

  • 15.9 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Sep 2019 • 287 Fuel-ups

    Property of CaptAbrahamSmollett

  • 15.3 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Aug 2023 • 61 Fuel-ups

    Property of Nholley

  • 18.0 Avg MPG
  • GMC Sierra Denali

    2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed
    Added Aug 2016 • 373 Fuel-ups

    Property of mnetland

  • 18.6 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
    Added Mar 2023 • 34 Fuel-ups

    Property of Hetelle

  • 15.6 Avg MPG
  • GMC

    2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Jul 2021 • 371 Fuel-ups

    Property of jarrett85

  • 15.3 Avg MPG
  • GMC Truck

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added May 2020 • 125 Fuel-ups

    Property of Chuck16785

  • 17.3 Avg MPG
  • 2015 GMC Sierra 1500 SLT

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Dec 2018 • 294 Fuel-ups

    Property of mnvik28

  • 14.5 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Nov 2018 • 530 Fuel-ups

    Property of CStreff

  • 18.1 Avg MPG
  • 2015 GMC Sierra Crew Cab

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Oct 2016 • 300 Fuel-ups

    Property of dbowman711

  • 15.8 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 5.3L V8 FLEX Automatic 6 Speed
    Added Jul 2020 • 36 Fuel-ups

    Property of jc5570

  • 15.6 Avg MPG

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