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2018 GMC Sierra 1500 MPG

Based on data from 114 vehicles, 2,437 fuel-ups and 708,198 miles of driving, the 2018 GMC Sierra 1500 gets a combined Avg MPG of 16.44 with a 0.13 MPG margin of error.

Below you can see a distribution of the fuel-ups with 64 outliers (2.56%) removed.

Following shows the average MPG of each of the 114 vehicles in the system.

2018 GMC Sierra 1500s For Sale Nearby

  • My Sierra 1500

    2018 GMC Sierra 1500 SLE 4.3L V6 FLEX Automatic 6 Speed
    Added Mar 2018 • 58 Fuel-ups

    Property of MurphyD

  • 19.6 Avg MPG
  • 2018 Sierra

    2018 GMC Sierra 1500 SLT 5.3L V8 ELECTRIC/GAS Automatic 8 Speed
    Added Feb 2018 • 66 Fuel-ups

    Property of elliston61

  • 20.6 Avg MPG
  • My Sierra 1500

    2018 GMC Sierra 1500 5.3L V8 FLEX Automatic 6 Speed
    Added Nov 2018 • 11 Fuel-ups

    Property of Camstyn

  • 17.2 Avg MPG
  • My Sierra 1500

    2018 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed
    Added Mar 2018 • 38 Fuel-ups

    Property of thompson818

  • 18.7 Avg MPG
  • Smokey

    2018 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Oct 2018 • 11 Fuel-ups

    Property of isobellacuan

  • 18.1 Avg MPG
  • GMC 1500 4x4

    2018 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
    Added Feb 2018 • 49 Fuel-ups

    Property of kiscl

  • 14.7 Avg MPG
  • 2018 Denali

    2018 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed
    Added Nov 2017 • 52 Fuel-ups

    Property of bae1161

  • 16.8 Avg MPG
  • 2018 GMC Sierra SLT

    2018 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed
    Added Nov 2017 • 75 Fuel-ups

    Property of FriskyLingo

  • 15.4 Avg MPG
  • My Sierra 1500

    2018 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 8 Speed
    Added Nov 2018 • 10 Fuel-ups

    Property of epedro40

  • 15.6 Avg MPG
  • My Sierra 1500

    2018 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed
    Added Sep 2018 • 28 Fuel-ups

    Property of grandmercls

  • 16.8 Avg MPG
  • Number 9

    2018 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
    Added Oct 2018 • 11 Fuel-ups

    Property of woodsmith

  • 17.0 Avg MPG
  • 2018 Sierra

    2018 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
    Added Nov 2018 • 7 Fuel-ups

    Property of Matt1552

  • 18.4 Avg MPG
  • My Sierra 1500

    2018 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Jul 2018 • 10 Fuel-ups

    Property of flopper666

  • 38.7 Avg MPG
  • Stonewood

    2018 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Nov 2018 • 19 Fuel-ups

    Property of Stonewood

  • 16.8 Avg MPG
  • Sierra 1500

    2018 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
    Added Jan 2019 • 4 Fuel-ups

    Property of jered6323

  • 14.4 Avg MPG
  • Denali

    2018 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed Crew Cab Pickup
    Added Jul 2018 • 20 Fuel-ups

    Property of ricanizedkilla

  • 13.8 Avg MPG
  • GMC Sierra 1500

    2018 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed
    Added Nov 2018 • 6 Fuel-ups

    Property of Jeferon1

  • 11.8 Avg MPG
  • Sierra 1500

    2018 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed
    Added Jun 2018 • 50 Fuel-ups

    Property of mwm203

  • 17.6 Avg MPG
  • My Sierra 1500

    2018 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Apr 2018 • 36 Fuel-ups

    Property of lancecai77

  • 17.8 Avg MPG
  • My Sierra 1500

    2018 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
    Added May 2018 • 31 Fuel-ups

    Property of wmdahler

  • 17.5 Avg MPG

Recent Activity

from other GMC Sierra 1500 vehicles (View All)

Tips

Steptronic transmissions - upshift to highest gear possible

At 35 mph, my automatic transmission is at 5th gear and 1800... ...

by cuts_off_prius

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