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2018 GMC Terrain MPG

Based on data from 59 vehicles, 2,870 fuel-ups and 934,390 miles of driving, the 2018 GMC Terrain gets a combined Avg MPG of 28.24 with a 0.29 MPG margin of error.

Below you can see a distribution of the fuel-ups with 19 outliers (0.66%) removed.

Following shows the average MPG of each of the 59 vehicles in the system.

  • My Terrain

    2018 GMC Terrain SLT 2.0L L4 GAS Automatic 9 Speed
    Added Aug 2018 • 50 Fuel-ups

    Property of bzgw87

  • 21.4 Avg MPG
  • Storm Breaker

    2018 GMC Terrain SLT 1.6L L4 DIESEL Automatic 6 Speed
    Added May 2018 • 125 Fuel-ups

    Property of BayMan25

  • 30.7 Avg MPG
  • Andy&Karens Terrain

    2018 GMC Terrain SLE 1.5L L4 GAS Automatic 9 Speed
    Added Apr 2018 • 96 Fuel-ups

    Property of kandy

  • 28.2 Avg MPG
  • Dad's Terrain

    2018 GMC Terrain SLE 2.0L L4 GAS Automatic 9 Speed Sport Utility
    Added Jun 2019 • 31 Fuel-ups

    Property of HerbTarlek

  • 26.2 Avg MPG
  • Terrain ‘18

    2018 GMC Terrain SLT 1.5L L4 GAS Automatic 9 Speed
    Added Apr 2018 • 108 Fuel-ups

    Property of wabash

  • 26.8 Avg MPG
  • My Terrain

    2018 GMC Terrain SLT 1.5L L4 GAS Automatic 6 Speed
    Added Jan 2020 • 33 Fuel-ups

    Property of adebbie24

  • 22.9 Avg MPG
  • GMC Terrain

    2018 GMC Terrain SLE 1.6L L4 DIESEL Automatic 6 Speed
    Added May 2018 • 96 Fuel-ups

    Property of nstp97

  • 32.4 Avg MPG
  • My Terrain

    2018 GMC Terrain Denali 2.0L L4 GAS Automatic 9 Speed
    Added Jan 2019 • 34 Fuel-ups

    Property of gtab

  • 27.1 Avg MPG
  • Trichs Terrain

    2018 GMC Terrain SLT 2.0L L4 GAS Automatic 9 Speed
    Added Jun 2018 • 102 Fuel-ups

    Property of Hammer46

  • 25.9 Avg MPG
  • My Terrain

    2018 GMC Terrain SLE 2.0L L4 GAS Automatic 9 Speed
    Added Jan 2018 • 107 Fuel-ups

    Property of koolkev

  • 19.4 Avg MPG
  • My Terrain

    2018 GMC Terrain SLT 2.0L L4 GAS Automatic 9 Speed
    Added Dec 2017 • 100 Fuel-ups

    Property of dwb81

  • 20.3 Avg MPG
  • 2018 Terrain

    2018 GMC Terrain SLT 1.6L L4 DIESEL Automatic 6 Speed Sport Utility
    Added Dec 2019 • 51 Fuel-ups

    Property of sarwagwin

  • 37.1 Avg MPG
  • My Terrain

    2018 GMC Terrain Denali 2.0L L4 GAS Automatic 9 Speed
    Added Feb 2018 • 170 Fuel-ups

    Property of KBender

  • 21.0 Avg MPG
  • 2018 GMC Terrain

    2018 GMC Terrain Denali 2.0L L4 GAS Automatic 9 Speed
    Added Nov 2017 • 143 Fuel-ups

    Property of wa5rng

  • 27.5 Avg MPG
  • My Terrain

    2018 GMC Terrain SLT 2.0L L4 GAS Automatic 9 Speed
    Added Dec 2017 • 101 Fuel-ups

    Property of mbergner

  • 24.0 Avg MPG
  • My Terrain

    2018 GMC Terrain SLE 1.6L L4 DIESEL Automatic 6 Speed
    Added Apr 2019 • 40 Fuel-ups

    Property of superherofedman

  • 39.9 Avg MPG
  • BlackCloud’s Terrain Diesel

    2018 GMC Terrain SLT 1.6L L4 DIESEL Automatic 6 Speed
    Added May 2019 • 56 Fuel-ups

    Property of Cyanide

  • 41.0 Avg MPG
  • Black Terrain

    2018 GMC Terrain SLT 1.6L L4 DIESEL Automatic 6 Speed Sport Utility
    Added Mar 2018 • 100 Fuel-ups

    Property of TerrainTracker

  • 32.7 Avg MPG
  • Diesel Terrain

    2018 GMC Terrain SLT 1.6L L4 DIESEL Automatic 6 Speed
    Added Nov 2019 • 74 Fuel-ups

    Property of blkterrain

  • 37.8 Avg MPG
  • Gmc Terrian

    2018 GMC Terrain SLT 1.6L L4 DIESEL Automatic 6 Speed Sport Utility
    Added Mar 2018 • 102 Fuel-ups

    Property of cjp_8476

  • 35.0 Avg MPG

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In an automatic don't coast in neutral leave it in gear and ... ...

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