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2018 GMC Terrain MPG

Based on data from 67 vehicles, 3,864 fuel-ups and 1,279,618 miles of driving, the 2018 GMC Terrain gets a combined Avg MPG of 28.67 with a 0.27 MPG margin of error.

Below you can see a distribution of the fuel-ups with 23 outliers (0.59%) removed.

Following shows the average MPG of each of the 67 vehicles in the system.

2018 GMC Terrains For Sale Nearby

  • GMC Terrain

    2018 GMC Terrain SLE 1.6L L4 DIESEL Automatic 6 Speed
    Added May 2018 • 138 Fuel-ups

    Property of nstp97

  • 32.6 Avg MPG
  • BlackCloud’s Terrain Diesel

    2018 GMC Terrain SLT 1.6L L4 DIESEL Automatic 6 Speed
    Added May 2019 • 102 Fuel-ups

    Property of Cyanide

  • 40.2 Avg MPG
  • My Terrain

    2018 GMC Terrain Denali 2.0L L4 GAS Automatic 9 Speed
    Added Feb 2018 • 228 Fuel-ups

    Property of KBender

  • 20.2 Avg MPG
  • 2018 Terrain

    2018 GMC Terrain SLT 1.6L L4 DIESEL Automatic 6 Speed Sport Utility
    Added Dec 2019 • 114 Fuel-ups

    Property of sarwagwin

  • 36.8 Avg MPG
  • My Terrain

    2018 GMC Terrain Denali 2.0L L4 GAS Automatic 9 Speed
    Added Jan 2018 • 82 Fuel-ups

    Property of FuelCricket

  • 24.2 Avg MPG
  • Black Terrain

    2018 GMC Terrain SLT 1.6L L4 DIESEL Automatic 6 Speed Sport Utility
    Added Mar 2018 • 148 Fuel-ups

    Property of TerrainTracker

  • 32.4 Avg MPG
  • Terrain Diesel

    2018 GMC Terrain SLT 1.6L L4 DIESEL Automatic 6 Speed
    Added Jul 2021 • 29 Fuel-ups

    Property of bwelsh321

  • 38.2 Avg MPG
  • Andy&Karens Terrain

    2018 GMC Terrain SLE 1.5L L4 GAS Automatic 9 Speed
    Added Apr 2018 • 130 Fuel-ups

    Property of kandy

  • 28.3 Avg MPG
  • 2018 GMC Terrain

    2018 GMC Terrain Denali 2.0L L4 GAS Automatic 9 Speed
    Added Nov 2017 • 176 Fuel-ups

    Property of wa5rng

  • 27.6 Avg MPG
  • My Terrain

    2018 GMC Terrain SLT 1.5L L4 GAS Automatic 6 Speed
    Added Jan 2020 • 80 Fuel-ups

    Property of adebbie24

  • 25.0 Avg MPG
  • Gmc Terrian

    2018 GMC Terrain SLT 1.6L L4 DIESEL Automatic 6 Speed Sport Utility
    Added Mar 2018 • 141 Fuel-ups

    Property of cjp_8476

  • 34.5 Avg MPG
  • My Terrain

    2018 GMC Terrain SLE 1.5L L4 GAS Automatic 9 Speed
    Added Mar 2019 • 142 Fuel-ups

    Property of sharmckel

  • 27.4 Avg MPG
  • GMC

    2018 GMC Terrain SLT 1.6L L4 DIESEL Automatic 6 Speed
    Added Jun 2021 • 68 Fuel-ups

    Property of kamilw

  • 39.7 Avg MPG
  • My Terrain

    2018 GMC Terrain Denali 2.0L L4 GAS Automatic 9 Speed
    Added May 2021 • 20 Fuel-ups

    Property of wrightjd2

  • 20.7 Avg MPG
  • Diesel Terrain

    2018 GMC Terrain SLT 1.6L L4 DIESEL Automatic 6 Speed
    Added Nov 2019 • 120 Fuel-ups

    Property of blkterrain

  • 37.8 Avg MPG
  • Terrain

    2018 GMC Terrain SLE 1.5L L4 GAS Automatic 6 Speed
    Added Aug 2021 • 4 Fuel-ups

    Property of etombaugh

  • 25.0 Avg MPG
  • Storm Breaker

    2018 GMC Terrain SLT 1.6L L4 DIESEL Automatic 6 Speed
    Added May 2018 • 187 Fuel-ups

    Property of BayMan25

  • 30.8 Avg MPG
  • My Terrain

    2018 GMC Terrain SLT 2.0L L4 GAS Automatic 9 Speed
    Added Dec 2020 • 6 Fuel-ups

    Property of Niff42

  • 22.6 Avg MPG
  • GMC Terrain Denali

    2018 GMC Terrain Denali 2.0L L4 GAS Automatic 9 Speed Sport Utility
    Added Feb 2021 • 25 Fuel-ups

    Property of nlatkinson

  • 21.4 Avg MPG
  • Terrain 2018

    2018 GMC Terrain Denali 2.0L L4 GAS Automatic 9 Speed
    Added Mar 2021 • 24 Fuel-ups

    Property of mark6804

  • 18.1 Avg MPG

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