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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

  • All Terrain

    2015 GMC Sierra 1500 All Terrain
    Added Mar 2017 • 96 Fuel-ups

    Property of sappermiller

  • 15.2 Avg MPG
  • Steve

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed Extended Cab Pickup
    Added Aug 2015 • 29 Fuel-ups

    Property of jdru66

  • 16.7 Avg MPG
  • Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Extended Cab Pickup
    Added Apr 2018 • 50 Fuel-ups

    Property of marino454

  • 16.0 Avg MPG
  • Denali

    2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed Crew Cab Pickup
    Added Jul 2015 • 62 Fuel-ups

    Property of jraschke11

  • 15.4 Avg MPG
  • GMC Sierra

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Nov 2015 • 54 Fuel-ups

    Property of tdb729

  • 14.0 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L GAS V8 Automatic 6 Crew Cab Pickup (4 Door)
    Added Apr 2015 • 97 Fuel-ups

    Property of viabuho

  • 17.2 Avg MPG
  • SilverBullet

    2015 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Jun 2016 • 9 Fuel-ups

    Property of Buhada

  • 12.9 Avg MPG
  • 2015 Sierra

    2015 GMC Sierra 1500 4.3L V6 FLEX Automatic 6 Speed
    Added Feb 2016 • 38 Fuel-ups

    Property of trentm

  • 15.3 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Dec 2015 • 42 Fuel-ups

    Property of hydrashok1911

  • 17.6 Avg MPG
  • Big Sexy

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Jul 2016 • 14 Fuel-ups

    Property of BigSexyAT

  • 12.7 Avg MPG
  • The Sierra

    2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Apr 2016 • 32 Fuel-ups

    Property of kenrobertson

  • 14.9 Avg MPG
  • Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L FLEX V8 Automatic 6
    Added Jun 2015 • 151 Fuel-ups

    Property of jp1170

  • 17.1 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
    Added Sep 2016 • 93 Fuel-ups

    Property of Ottoball

  • 16.3 Avg MPG
  • GMC Sierra 1500 Denali

    2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed
    Added Sep 2016 • 49 Fuel-ups

    Property of jsiarto

  • 15.4 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Jul 2015 • 77 Fuel-ups

    Property of Pitch

  • 16.5 Avg MPG
  • Vincent

    2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Nov 2015 • 21 Fuel-ups

    Property of awboxes

  • 15.6 Avg MPG
  • Bronze All-Terrain DC

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed Extended Cab Pickup
    Added Jul 2015 • 16 Fuel-ups

    Property of GWXDoubleAT

  • 16.6 Avg MPG
  • HIGHSIERRA

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Nov 2015 • 39 Fuel-ups

    Property of PTOWNcommuter

  • 18.3 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
    Added Dec 2015 • 47 Fuel-ups

    Property of Pimm1975

  • 13.9 Avg MPG
  • GMC 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
    Added Mar 2017 • 20 Fuel-ups

    Property of T-rex1221

  • 16.5 Avg MPG

Recent Activity

from other GMC Sierra 1500 vehicles (View All)

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Your speedometer could be off a few miles per hour if your c... ...

by dtown40

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