2015 GMC Sierra 1500 MPG

Based on data from 97 vehicles, 4,256 fuel-ups and 1,273,258 miles of driving, the 2015 GMC Sierra 1500 gets a combined Avg MPG of 15.95 with a 0.11 MPG margin of error.

Below you can see a distribution of the fuel-ups with 250 outliers (5.55%) removed.

Following shows the average MPG of each of the 97 vehicles in the system.

2015 GMC Sierra 1500s For Sale Nearby

  • Sierra

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Sep 2016 • 101 Fuel-ups

    Property of karldv

  • 14.6 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Jun 2015 • 88 Fuel-ups

    Property of peterv

  • 14.1 Avg MPG
  • GMC Sierra

    2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Feb 2015 • 114 Fuel-ups

    Property of glangham

  • 17.6 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 SLE 4.3L V6 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Apr 2016 • 42 Fuel-ups

    Property of hollywood703

  • 15.4 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 4.3L V6 FLEX Automatic 6 Speed
    Added Nov 2016 • 40 Fuel-ups

    Property of rahman20k

  • 19.5 Avg MPG
  • Sierra All Terrain

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Jul 2015 • 40 Fuel-ups

    Property of Gilles

  • 17.7 Avg MPG
  • Sierra Denali

    2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed
    Added Aug 2016 • 57 Fuel-ups

    Property of mnetland

  • 18.3 Avg MPG
  • 2015 GMC 1500 SLE

    2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
    Added Aug 2016 • 652 Fuel-ups

    Property of kpwaterdoc

  • 12.0 Avg MPG
  • GMC Sierra

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added May 2015 • 124 Fuel-ups

    Property of Arctic388

  • 16.2 Avg MPG
  • Sierra Z-71

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Sep 2016 • 113 Fuel-ups

    Property of acmurf1

  • 17.6 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Aug 2016 • 54 Fuel-ups

    Property of Mike1ch

  • 14.9 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Oct 2016 • 13 Fuel-ups

    Property of Michaelhoover77

  • 14.8 Avg MPG
  • 2015 GMC Sierra Crew Cab

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Oct 2016 • 41 Fuel-ups

    Property of dbowman711

  • 15.1 Avg MPG
  • GMC Sierra

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
    Added Dec 2016 • 23 Fuel-ups

    Property of Paul303

  • 17.6 Avg MPG
  • Onyx

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Aug 2015 • 106 Fuel-ups

    Property of 92teg92

  • 14.9 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed
    Added Sep 2016 • 15 Fuel-ups

    Property of miniozzy3

  • 17.2 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 5.3L V8 GAS Automatic 6 Speed Extended Cab Pickup
    Added Oct 2015 • 38 Fuel-ups

    Property of JBE7

  • 18.3 Avg MPG
  • GMC Sierra

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Aug 2016 • 69 Fuel-ups

    Property of Roadwarrior32

  • 20.3 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 4.3L V6 FLEX Automatic 6 Speed Extended Cab Pickup
    Added Jun 2016 • 81 Fuel-ups

    Property of TheStepChild

  • 22.0 Avg MPG
  • Joe's Sierra 1500

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Oct 2015 • 62 Fuel-ups

    Property of GMCJoe

  • 18.3 Avg MPG

Recent Activity

from other GMC Sierra 1500 vehicles (View All)

Tips

Install a warm air intake.

Computerized engines maintain a narrow range of fuel mixture... ...

by GraeSack

Read more tips