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2018 GMC Terrain MPG

Based on data from 73 vehicles, 5,239 fuel-ups and 1,726,867 miles of driving, the 2018 GMC Terrain gets a combined Avg MPG of 28.58 with a 0.23 MPG margin of error.

Below you can see a distribution of the fuel-ups with 32 outliers (0.61%) removed.

Following shows the average MPG of each of the 73 vehicles in the system.

2018 GMC Terrains For Sale Nearby

  • Gmc Terrian

    2018 GMC Terrain SLT 1.6L L4 DIESEL Automatic 6 Speed Sport Utility
    Added Mar 2018 • 200 Fuel-ups

    Property of cjp_8476

  • 34.2 Avg MPG
  • 2018 Terrain

    2018 GMC Terrain SLT 1.6L L4 DIESEL Automatic 6 Speed Sport Utility
    Added Dec 2019 • 176 Fuel-ups

    Property of sarwagwin

  • 36.8 Avg MPG
  • Andy&Karens Terrain

    2018 GMC Terrain SLE 1.5L L4 GAS Automatic 9 Speed
    Added Apr 2018 • 179 Fuel-ups

    Property of kandy

  • 28.6 Avg MPG
  • My Terrain

    2018 GMC Terrain SLT 2.0L L4 GAS Automatic 9 Speed
    Added Dec 2017 • 175 Fuel-ups

    Property of mbergner

  • 24.0 Avg MPG
  • My Terrain

    2018 GMC Terrain SLE 1.5L L4 GAS Automatic 6 Speed
    Added Jul 2022 • 89 Fuel-ups

    Property of darryltaber

  • 24.2 Avg MPG
  • Grey Ghost

    2018 GMC Terrain SLE 1.5L L4 GAS Automatic 9 Speed
    Added Sep 2021 • 90 Fuel-ups

    Property of drifter47

  • 27.5 Avg MPG
  • Storm Breaker

    2018 GMC Terrain SLT 1.6L L4 DIESEL Automatic 6 Speed
    Added May 2018 • 222 Fuel-ups

    Property of BayMan25

  • 30.7 Avg MPG
  • Diesel Terrain

    2018 GMC Terrain SLT 1.6L L4 DIESEL Automatic 6 Speed
    Added Nov 2019 • 163 Fuel-ups

    Property of blkterrain

  • 37.6 Avg MPG
  • Terrain Diesel

    2018 GMC Terrain SLT 1.6L L4 DIESEL Automatic 6 Speed
    Added Jul 2021 • 138 Fuel-ups

    Property of bwelsh321

  • 35.7 Avg MPG
  • My Terrain

    2018 GMC Terrain Denali 2.0L L4 GAS Automatic 9 Speed
    Added Feb 2018 • 285 Fuel-ups

    Property of KBender

  • 19.8 Avg MPG
  • Black Terrain

    2018 GMC Terrain SLT 1.6L L4 DIESEL Automatic 6 Speed Sport Utility
    Added Mar 2018 • 207 Fuel-ups

    Property of TerrainTracker

  • 32.4 Avg MPG
  • GMC

    2018 GMC Terrain SLT 1.6L L4 DIESEL Automatic 6 Speed
    Added Jun 2021 • 121 Fuel-ups

    Property of kamilw

  • 37.6 Avg MPG
  • Terrain 2018

    2018 GMC Terrain Denali 2.0L L4 GAS Automatic 9 Speed
    Added Mar 2021 • 106 Fuel-ups

    Property of mark6804

  • 19.9 Avg MPG
  • BlackCloud’s Terrain Diesel

    2018 GMC Terrain SLT 1.6L L4 DIESEL Automatic 6 Speed
    Added May 2019 • 152 Fuel-ups

    Property of Cyanide

  • 40.0 Avg MPG
  • My Terrain

    2018 GMC Terrain Denali 2.0L L4 GAS Automatic 9 Speed
    Added May 2021 • 92 Fuel-ups

    Property of wrightjd2

  • 21.7 Avg MPG
  • Terrain

    2018 GMC Terrain SLE 1.5L L4 GAS Automatic 6 Speed
    Added Aug 2021 • 43 Fuel-ups

    Property of etombaugh

  • 24.7 Avg MPG
  • Red Terrain

    2018 GMC Terrain SLE 2.0L L4 GAS Automatic 9 Speed Sport Utility
    Added Aug 2022 • 12 Fuel-ups

    Property of chrishuntfish2

  • 26.9 Avg MPG
  • 2018 GMC Terrain

    2018 GMC Terrain Denali 2.0L L4 GAS Automatic 9 Speed
    Added Nov 2017 • 219 Fuel-ups

    Property of Dusty-34063

  • 27.5 Avg MPG
  • GMC Terrain Denali

    2018 GMC Terrain Denali 2.0L L4 GAS Automatic 9 Speed Sport Utility
    Added Feb 2021 • 79 Fuel-ups

    Property of nlatkinson

  • 19.5 Avg MPG
  • GMC Terrain

    2018 GMC Terrain SLE 1.6L L4 DIESEL Automatic 6 Speed
    Added May 2018 • 179 Fuel-ups

    Property of nstp97

  • 32.7 Avg MPG

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Tips

Read the manual regarding A/C use

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