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2015 GMC Sierra 1500 MPG

Based on data from 140 vehicles, 7,707 fuel-ups and 2,301,671 miles of driving, the 2015 GMC Sierra 1500 gets a combined Avg MPG of 15.99 with a 0.08 MPG margin of error.

Below you can see a distribution of the fuel-ups with 332 outliers (4.13%) removed.

Following shows the average MPG of each of the 140 vehicles in the system.

  • Sierra

    2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Extended Cab Pickup
    Added Oct 2017 • 73 Fuel-ups

    Property of shauntritz

  • 10.3 Avg MPG
  • Onyx

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Aug 2015 • 161 Fuel-ups

    Property of 92teg92

  • 14.9 Avg MPG
  • 2015 GMC Sierra Crew Cab

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Oct 2016 • 78 Fuel-ups

    Property of dbowman711

  • 15.9 Avg MPG
  • Sierra Z-71

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Sep 2016 • 171 Fuel-ups

    Property of acmurf1

  • 17.5 Avg MPG
  • GMC Sierra 1500

    2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Extended Cab Pickup
    Added Aug 2017 • 23 Fuel-ups

    Property of eddykc03

  • 16.0 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Aug 2016 • 78 Fuel-ups

    Property of DudeBro

  • 17.4 Avg MPG
  • 2015 GMC Sierra

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Sep 2016 • 204 Fuel-ups

    Property of jrulapaugh

  • 12.2 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 SLE 4.3L V6 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Apr 2016 • 78 Fuel-ups

    Property of hollywood703

  • 15.5 Avg MPG
  • 2015 Sierra

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Apr 2016 • 130 Fuel-ups

    Property of civicsiracer06

  • 13.9 Avg MPG
  • '15 GMC

    2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Oct 2017 • 20 Fuel-ups

    Property of 2kwik4u

  • 15.2 Avg MPG
  • Stella

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Oct 2017 • 62 Fuel-ups

    Property of Mtnboarder

  • 16.3 Avg MPG
  • 2015 GMC SIERRA

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Jan 2018 • 24 Fuel-ups

    Property of Morts

  • 15.2 Avg MPG
  • 2015 Sierra 1500

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Apr 2015 • 119 Fuel-ups

    Property of browley

  • 16.7 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 SLE 4.3L V6 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Oct 2017 • 112 Fuel-ups

    Property of rguerrer93

  • 17.4 Avg MPG
  • Joe's Sierra 1500

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Oct 2015 • 99 Fuel-ups

    Property of GMCJoe

  • 18.4 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
    Added Mar 2017 • 69 Fuel-ups

    Property of CurtK

  • 17.7 Avg MPG
  • Blue truck

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Dec 2017 • 7 Fuel-ups

    Property of ZollieH77

  • 13.0 Avg MPG
  • Denali

    2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed
    Added Mar 2017 • 82 Fuel-ups

    Property of giro

  • 15.5 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Jun 2015 • 146 Fuel-ups

    Property of peterv

  • 13.5 Avg MPG
  • Truck

    2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
    Added Mar 2017 • 113 Fuel-ups

    Property of Dukesask

  • 14.9 Avg MPG

Recent Activity

from other GMC Sierra 1500 vehicles (View All)

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