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2018 GMC Sierra 1500 MPG

Based on data from 40 vehicles, 432 fuel-ups and 120,344 miles of driving, the 2018 GMC Sierra 1500 gets a combined Avg MPG of 15.67 with a 0.29 MPG margin of error.

Below you can see a distribution of the fuel-ups with 2 outliers (0.46%) removed.

Following shows the average MPG of each of the 40 vehicles in the system.

2018 GMC Sierra 1500s For Sale Nearby

  • My Sierra 1500

    2018 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 8 Speed
    Added Dec 2017 • 31 Fuel-ups

    Property of mmoody5479

  • 16.9 Avg MPG
  • My Sierra 1500

    2018 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed
    Added Mar 2018 • 7 Fuel-ups

    Property of thompson818

  • 19.1 Avg MPG
  • 2018 GMC Sierra

    2018 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Mar 2018 • 13 Fuel-ups

    Property of Existant69

  • 14.6 Avg MPG
  • My Sierra 1500

    2018 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Dec 2017 • 22 Fuel-ups

    Property of SnackDragon87

  • 18.2 Avg MPG
  • My Sierra 1500

    2018 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
    Added Apr 2018 • 7 Fuel-ups

    Property of rleitht

  • 13.1 Avg MPG
  • My Sierra 1500

    2018 GMC Sierra 1500 SLE 4.3L V6 FLEX Automatic 6 Speed
    Added Mar 2018 • 7 Fuel-ups

    Property of MurphyD

  • 19.4 Avg MPG
  • GMC 1500 4x4

    2018 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
    Added Feb 2018 • 11 Fuel-ups

    Property of kiscl

  • 14.4 Avg MPG
  • Sierra 1500

    2018 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed Crew Cab Pickup
    Added Mar 2018 • 5 Fuel-ups

    Property of lordsporkton

  • 12.1 Avg MPG
  • Sierra ‘18

    2018 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed
    Added Dec 2017 • 15 Fuel-ups

    Property of karldv

  • 13.3 Avg MPG
  • My Sierra 1500

    2018 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Jan 2018 • 25 Fuel-ups

    Property of mikepru

  • 16.8 Avg MPG
  • My Sierra 1500

    2018 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
    Added Mar 2018 • 5 Fuel-ups

    Property of F800GS

  • 14.9 Avg MPG
  • My Sierra 1500

    2018 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed
    Added Jan 2018 • 27 Fuel-ups

    Property of brettsinyard

  • 14.0 Avg MPG
  • 2018 Denali

    2018 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed
    Added Nov 2017 • 22 Fuel-ups

    Property of bae1161

  • 16.0 Avg MPG
  • 2018 Sierra

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

    Property of yogi-bear

  • 15.2 Avg MPG
  • My Sierra 1500

    2018 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed Cab & Chassis - Crew Cab
    Added Apr 2018 • 4 Fuel-ups

    Property of iZoomie

  • 15.9 Avg MPG
  • 2018 GMC Sierra SLT

    2018 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed
    Added Nov 2017 • 21 Fuel-ups

    Property of FriskyLingo

  • 15.4 Avg MPG
  • Betty

    2018 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Jan 2018 • 21 Fuel-ups

    Property of and_steve

  • 15.6 Avg MPG
  • 2018 GMC Sierra

    2018 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
    Added Mar 2018 • 9 Fuel-ups

    Property of geeklife

  • 16.2 Avg MPG
  • Jimmy

    2018 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed Crew Cab Pickup
    Added Jan 2018 • 14 Fuel-ups

    Property of cowpen

  • 18.2 Avg MPG
  • Bo’s Sierra SLT

    2018 GMC Sierra 1500 SLT 5.3L V8 ELECTRIC/GAS Automatic 6 Speed
    Added Mar 2018 • 9 Fuel-ups

    Property of boewing1

  • 15.7 Avg MPG

Recent Activity

from other GMC Sierra 1500 vehicles (View All)

Tips

Save Fuel in Turns!

One great way to save fuel is to do minimal braking for turn... ...

by vtecintegra9

Read more tips