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2018 GMC Sierra 1500 MPG

Based on data from 65 vehicles, 916 fuel-ups and 262,683 miles of driving, the 2018 GMC Sierra 1500 gets a combined Avg MPG of 16.31 with a 0.21 MPG margin of error.

Below you can see a distribution of the fuel-ups with 27 outliers (2.86%) removed.

Following shows the average MPG of each of the 65 vehicles in the system.

2018 GMC Sierra 1500s For Sale Nearby

  • My Sierra 1500

    2018 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Jul 2018 • 4 Fuel-ups

    Property of gklix

  • 19.0 Avg MPG
  • My Sierra 1500

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

    Property of chilly0999

  • 14.9 Avg MPG
  • My Sierra 1500

    2018 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
    Added Apr 2018 • 21 Fuel-ups

    Property of rleitht

  • 15.8 Avg MPG
  • 2018 Sierra 1500

    2018 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed Cab & Chassis - Crew Cab
    Added Apr 2018 • 26 Fuel-ups

    Property of iZoomie

  • 17.4 Avg MPG
  • 2018 GMC Sierra Denali 4x4

    2018 GMC Sierra 1500 Denali 5.3L V8 GAS Automatic 8 Speed
    Added Jun 2018 • 9 Fuel-ups

    Property of mpg01

  • 18.0 Avg MPG
  • Sierra 1500

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

    Property of mwm203

  • 19.1 Avg MPG
  • Sierra 1500

    2018 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed Crew Cab Pickup
    Added Mar 2018 • 16 Fuel-ups

    Property of lordsporkton

  • 12.9 Avg MPG
  • My Sierra 1500

    2018 GMC Sierra 1500 SLE 4.3L V6 FLEX Automatic 6 Speed
    Added Mar 2018 • 23 Fuel-ups

    Property of MurphyD

  • 20.3 Avg MPG
  • 2018 GMC Sierra

    2018 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Mar 2018 • 34 Fuel-ups

    Property of Existant69

  • 16.2 Avg MPG
  • My Sierra 1500

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

    Property of msova2

  • 12.6 Avg MPG
  • Doug’s Sierra 1500

    2018 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
    Added Feb 2018 • 27 Fuel-ups

    Property of Doug100

  • 16.8 Avg MPG
  • My Sierra 1500

    2018 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 8 Speed
    Added Dec 2017 • 43 Fuel-ups

    Property of mmoody5479

  • 17.6 Avg MPG
  • 2018 Sierra

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

    Property of elliston61

  • 20.7 Avg MPG
  • Matt's Sierra

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

    Property of mattb5150

  • 15.1 Avg MPG
  • GMC

    2018 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Jun 2018 • 4 Fuel-ups

    Property of CB10

  • 15.2 Avg MPG
  • Sierra 1500

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

    Property of cphilpotts

  • 16.0 Avg MPG
  • My Sierra 1500

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

    Property of jeff24rs

  • 17.8 Avg MPG
  • 2018 Sierra

    2018 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
    Added Mar 2018 • 18 Fuel-ups

    Property of yogi-bear

  • 16.4 Avg MPG
  • My Sierra 1500

    2018 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Dec 2017 • 36 Fuel-ups

    Property of SnackDragon87

  • 18.4 Avg MPG
  • GMC 1500 4x4

    2018 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
    Added Feb 2018 • 23 Fuel-ups

    Property of kiscl

  • 14.7 Avg MPG

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from other GMC Sierra 1500 vehicles (View All)

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