Click here to see important news regarding the aCar App

2018 GMC Sierra 1500 MPG

Based on data from 153 vehicles, 7,235 fuel-ups and 2,104,736 miles of driving, the 2018 GMC Sierra 1500 gets a combined Avg MPG of 16.39 with a 0.07 MPG margin of error.

Below you can see a distribution of the fuel-ups with 228 outliers (3.06%) removed.

Following shows the average MPG of each of the 153 vehicles in the system.

2018 GMC Sierra 1500s For Sale Nearby

  • Truck

    2018 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed Crew Cab Pickup
    Added Mar 2020 • 13 Fuel-ups

    Property of jasonbrakhage

  • 13.7 Avg MPG
  • My Sierra 1500

    2018 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Jun 2018 • 37 Fuel-ups

    Property of yt_4real

  • 13.8 Avg MPG
  • GMC

    2018 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Dec 2018 • 188 Fuel-ups

    Property of Tigers20

  • 18.2 Avg MPG
  • 2018 GMC Sierra 1500

    2018 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
    Added Jan 2019 • 84 Fuel-ups

    Property of pmhayden

  • 17.0 Avg MPG
  • My Sierra 1500

    2018 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
    Added Dec 2017 • 137 Fuel-ups

    Property of Hacjr1949

  • 18.5 Avg MPG
  • Sierra 1500

    2018 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
    Added Jan 2019 • 106 Fuel-ups

    Property of jered6323

  • 15.4 Avg MPG
  • My Sierra 1500

    2018 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
    Added Apr 2018 • 79 Fuel-ups

    Property of rleitht

  • 15.2 Avg MPG
  • All Terrain

    2018 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 8 Speed
    Added Jul 2018 • 112 Fuel-ups

    Property of Mocek

  • 20.0 Avg MPG
  • Truck

    2018 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
    Added May 2018 • 61 Fuel-ups

    Property of DrAwesome

  • 16.0 Avg MPG
  • 2018 Sierra

    2018 GMC Sierra 1500 SLT 5.3L V8 ELECTRIC/GAS Automatic 8 Speed
    Added Feb 2018 • 159 Fuel-ups

    Property of elliston61

  • 20.3 Avg MPG
  • 2018 GMC Sierra

    2018 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Mar 2018 • 151 Fuel-ups

    Property of Existant69

  • 12.4 Avg MPG
  • My Sierra 1500

    2018 GMC Sierra 1500 Denali 5.3L V8 FLEX Automatic 8 Speed
    Added Apr 2018 • 69 Fuel-ups

    Property of msova2

  • 14.8 Avg MPG
  • My Sierra 1500

    2018 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Oct 2019 • 29 Fuel-ups

    Property of iNative

  • 15.9 Avg MPG
  • Gus’s Denali

    2018 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed
    Added May 2019 • 60 Fuel-ups

    Property of enszc

  • 14.3 Avg MPG
  • Sierra

    2018 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Apr 2019 • 135 Fuel-ups

    Property of CAHayes1109

  • 13.7 Avg MPG
  • Sierra 1500

    2018 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed
    Added Jun 2018 • 117 Fuel-ups

    Property of mwm203

  • 16.5 Avg MPG
  • Sierra 1500

    2018 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed Crew Cab Pickup
    Added Mar 2018 • 88 Fuel-ups

    Property of lordsporkton

  • 14.1 Avg MPG
  • Black Betty

    2018 GMC Sierra 1500 SLT 5.3L V8 ELECTRIC/GAS Automatic 6 Speed
    Added Dec 2018 • 51 Fuel-ups

    Property of tlawson85

  • 17.2 Avg MPG
  • My Sierra 1500

    2018 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed
    Added Jan 2020 • 7 Fuel-ups

    Property of Teutonics

  • 16.0 Avg MPG
  • My Sierra 1500

    2018 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
    Added Sep 2018 • 45 Fuel-ups

    Property of rinman

  • 14.8 Avg MPG

Recent Activity

from other GMC Sierra 1500 vehicles (View All)

Tips

Anticipate Traffic!

If your are driving and see tail lights come on in front of ... ...

by landsail

Read more tips

×