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2015 GMC Sierra 1500 MPG

Based on data from 207 vehicles, 20,356 fuel-ups and 5,962,048 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 (2.91%) removed.

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

2015 GMC Sierra 1500s For Sale Nearby

  • Sierra

    2015 GMC Sierra 1500 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Aug 2016 • 102 Fuel-ups

    Property of ottovanb

  • 15.2 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed
    Added Feb 2019 • 14 Fuel-ups

    Property of black_denali

  • 15.5 Avg MPG
  • Ricky’s Sierra

    2015 GMC Sierra 1500 SLE 4.3L V6 FLEX Automatic 6 Speed
    Added Jul 2018 • 31 Fuel-ups

    Property of rickylford

  • 16.9 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Extended Cab Pickup
    Added Oct 2017 • 267 Fuel-ups

    Property of shauntritz

  • 10.9 Avg MPG
  • GMC Sierra

    2015 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed
    Added Sep 2016 • 71 Fuel-ups

    Property of texasdoc

  • 17.1 Avg MPG
  • 2015 GMC

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Extended Cab Pickup
    Added Sep 2018 • 20 Fuel-ups

    Property of NJFF41

  • 18.1 Avg MPG
  • 2015 Sierra

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Apr 2016 • 246 Fuel-ups

    Property of civicsiracer06

  • 13.9 Avg MPG
  • Gmc Sierra

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Mar 2017 • 153 Fuel-ups

    Property of dphi201

  • 16.5 Avg MPG
  • The White Truck

    2015 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed Crew Cab Pickup
    Added Jun 2018 • 5 Fuel-ups

    Property of nedrolls

  • 15.4 Avg MPG
  • My Truck

    2015 GMC Sierra 1500 Denali 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Jul 2018 • 457 Fuel-ups

    Property of arosin

  • 17.4 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 Denali 5.3L V8 GAS Automatic 8 Speed
    Added Nov 2017 • 42 Fuel-ups

    Property of nfoufas

  • 16.1 Avg MPG
  • Joe's Sierra 1500

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Oct 2015 • 129 Fuel-ups

    Property of GMCJoe

  • 18.4 Avg MPG
  • GMC Sierra Denali

    2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed
    Added Mar 2015 • 138 Fuel-ups

    Property of Brady_SS

  • 16.8 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Apr 2018 • 199 Fuel-ups

    Property of curtisa95

  • 18.1 Avg MPG
  • My Truck

    2015 GMC Sierra 1500 Denali 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added May 2018 • 411 Fuel-ups

    Property of arosin

  • 17.4 Avg MPG
  • GMC Sierra 1500 SLT

    2015 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed Crew Cab Pickup
    Added Feb 2017 • 86 Fuel-ups

    Property of TheLazyC

  • 14.9 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Feb 2018 • 34 Fuel-ups

    Property of KorCar1

  • 18.1 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
    Added Mar 2018 • 53 Fuel-ups

    Property of Fastlane01

  • 15.3 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Extended Cab Pickup
    Added Feb 2019 • 94 Fuel-ups

    Property of Snafujg

  • 15.7 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLE 4.3L V6 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Jul 2017 • 37 Fuel-ups

    Property of Big_Bad_Wolfe

  • 15.9 Avg MPG

Recent Activity

from other GMC Sierra 1500 vehicles (View All)

Tips

speed does matter

Contrary to what some have said on this FAQ, speed does matt... ...

by xeyedjack

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