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2018 GMC Sierra 1500 MPG

Based on data from 193 vehicles, 17,927 fuel-ups and 5,067,384 miles of driving, the 2018 GMC Sierra 1500 gets a combined Avg MPG of 15.97 with a 0.05 MPG margin of error.

Below you can see a distribution of the fuel-ups with 246 outliers (1.35%) removed.

Following shows the average MPG of each of the 193 vehicles in the system.

2018 GMC Sierra 1500s For Sale Nearby

  • My Sierra 1500

    2018 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
    Added Nov 2018 • 75 Fuel-ups

    Property of bennybeat

  • 15.9 Avg MPG
  • GMC Sierra

    2018 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 6 Speed
    Added Jul 2018 • 114 Fuel-ups

    Property of Aika_on_Fuelly

  • 15.6 Avg MPG
  • 18 Sierra

    2018 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
    Added Jul 2019 • 65 Fuel-ups

    Property of tpalshadow

  • 17.0 Avg MPG
  • My Sierra 1500

    2018 GMC Sierra 1500 4.3L V6 FLEX Automatic 6 Speed
    Added Jun 2019 • 5 Fuel-ups

    Property of overlook

  • 11.3 Avg MPG
  • Sierra 1500

    2018 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed
    Added Jun 2018 • 133 Fuel-ups

    Property of mwm203

  • 16.5 Avg MPG
  • GMC Sierra 1500

    2018 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed
    Added Nov 2018 • 95 Fuel-ups

    Property of Jeferon1

  • 11.6 Avg MPG
  • SierraNutz

    2018 GMC Sierra 1500 SLT 5.3L V8 ELECTRIC/GAS Automatic 8 Speed Crew Cab Pickup
    Added Jul 2020 • 7 Fuel-ups

    Property of Jcook96

  • 16.4 Avg MPG
  • My Sierra 1500

    2018 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed
    Added Jun 2019 • 54 Fuel-ups

    Property of mbrent77

  • 18.5 Avg MPG
  • 2018 GMC

    2018 GMC Sierra 1500 SLE 4.3L V6 FLEX Automatic 6 Speed
    Added Mar 2018 • 133 Fuel-ups

    Property of MurphyD

  • 19.1 Avg MPG
  • My Sierra 1500

    2018 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
    Added Dec 2017 • 148 Fuel-ups

    Property of Hacjr1949

  • 18.4 Avg MPG
  • GMC Truck

    2018 GMC Sierra 1500 SLT 5.3L V8 GAS Extended Cab Pickup
    Added Mar 2019 • 85 Fuel-ups

    Property of JOlson

  • 14.4 Avg MPG
  • My Sierra 1500

    2018 GMC Sierra 1500 SLT 5.3L V8 ELECTRIC/GAS Automatic 6 Speed
    Added Mar 2019 • 76 Fuel-ups

    Property of Tommyboy1

  • 17.5 Avg MPG
  • Noel

    2018 GMC Sierra 1500 Denali 5.3L V8 GAS Automatic 8 Speed
    Added Jan 2019 • 34 Fuel-ups

    Property of mkcollimsworth

  • 17.8 Avg MPG
  • 2018 GMC Sierra 1500 SLT

    2018 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
    Added Jul 2018 • 75 Fuel-ups

    Property of blkcheech

  • 16.9 Avg MPG
  • Little Red

    2018 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
    Added Nov 2018 • 64 Fuel-ups

    Property of llljrmd

  • 16.8 Avg MPG
  • 2018 GMC Sierra

    2018 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
    Added Dec 2018 • 122 Fuel-ups

    Property of wdclark

  • 18.8 Avg MPG
  • Sierra 1500

    2018 GMC Sierra 1500 5.3L V8 GAS Automatic 6 Speed
    Added Jul 2020 • 8 Fuel-ups

    Property of riahkane

  • 15.2 Avg MPG
  • 2018 Denali

    2018 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed
    Added Nov 2017 • 90 Fuel-ups

    Property of bae1161

  • 17.2 Avg MPG
  • 2018 Sierra 1500 SLT

    2018 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed
    Added Mar 2018 • 175 Fuel-ups

    Property of RickGMC

  • 16.7 Avg MPG
  • My Sierra 1500

    2018 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed
    Added Sep 2019 • 5 Fuel-ups

    Property of green02crew

  • 12.9 Avg MPG

Recent Activity

from other GMC Sierra 1500 vehicles (View All)

Tips

DON'T Coast for the Very Best Consumption

Contrary to all the tips on here about coasting on hills or ... ...

by ajanjo

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