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2015 GMC Sierra 1500 MPG

Based on data from 198 vehicles, 17,635 fuel-ups and 5,215,966 miles of driving, the 2015 GMC Sierra 1500 gets a combined Avg MPG of 15.88 with a 0.05 MPG margin of error.

Below you can see a distribution of the fuel-ups with 514 outliers (2.83%) removed.

Following shows the average MPG of each of the 198 vehicles in the system.

2015 GMC Sierra 1500s For Sale Nearby

  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
    Added Jan 2018 • 179 Fuel-ups

    Property of Karels

  • 16.8 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
    Added Mar 2017 • 223 Fuel-ups

    Property of dgrule

  • 16.4 Avg MPG
  • Sierra All Terrain

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Jul 2015 • 153 Fuel-ups

    Property of Gilles

  • 17.3 Avg MPG
  • Corys 2015 Seirra

    2015 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed
    Added Sep 2016 • 200 Fuel-ups

    Property of MrFastcars

  • 14.1 Avg MPG
  • 2015 GMC Sierra Crew Cab

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Oct 2016 • 181 Fuel-ups

    Property of dbowman711

  • 15.6 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 SLE 4.3L V6 FLEX Automatic 6 Speed
    Added Oct 2017 • 184 Fuel-ups

    Property of rguerrer93

  • 16.5 Avg MPG
  • Truck

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Oct 2018 • 113 Fuel-ups

    Property of kbreyette

  • 15.3 Avg MPG
  • Silver Surfer

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Extended Cab Pickup
    Added Apr 2016 • 249 Fuel-ups

    Property of humenfly

  • 17.9 Avg MPG
  • Denali

    2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed
    Added Mar 2017 • 163 Fuel-ups

    Property of giro

  • 15.6 Avg MPG
  • 2015 GMC Sierra 1500 SLT

    2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
    Added Dec 2018 • 154 Fuel-ups

    Property of mnvik28

  • 14.5 Avg MPG
  • 2015 GMC

    2015 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed
    Added Sep 2016 • 199 Fuel-ups

    Property of bluez06

  • 15.3 Avg MPG
  • BlueFishDogTooth III

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added May 2019 • 58 Fuel-ups

    Property of dennisp2938

  • 12.7 Avg MPG
  • Truck

    2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
    Added Mar 2017 • 265 Fuel-ups

    Property of Dukesask

  • 14.7 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Aug 2016 • 199 Fuel-ups

    Property of DudeBro

  • 17.4 Avg MPG
  • GMC Sierra 1500

    2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Extended Cab Pickup
    Added Aug 2017 • 146 Fuel-ups

    Property of eddykc03

  • 15.6 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
    Added Mar 2017 • 263 Fuel-ups

    Property of CurtK

  • 16.8 Avg MPG
  • GMC Sierra 1500

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Jul 2020 • 12 Fuel-ups

    Property of KeeBlitz

  • 20.5 Avg MPG
  • GMC Sierra 1500

    2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
    Added Sep 2019 • 32 Fuel-ups

    Property of Gears_Gadgets

  • 14.5 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 6 Speed Extended Cab Pickup
    Added Aug 2020 • 123 Fuel-ups

    Property of DougT2008

  • 16.4 Avg MPG
  • '15 GMC

    2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Oct 2017 • 251 Fuel-ups

    Property of 2kwik4u

  • 16.0 Avg MPG

Recent Activity

from other GMC Sierra 1500 vehicles (View All)

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