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2018 GMC Terrain MPG

Based on data from 60 vehicles, 3,043 fuel-ups and 994,186 miles of driving, the 2018 GMC Terrain gets a combined Avg MPG of 28.26 with a 0.29 MPG margin of error.

Below you can see a distribution of the fuel-ups with 23 outliers (0.75%) removed.

Following shows the average MPG of each of the 60 vehicles in the system.

2018 GMC Terrains For Sale Nearby

  • My Terrain

    2018 GMC Terrain Denali 2.0L L4 GAS Automatic 9 Speed
    Added May 2020 • 19 Fuel-ups

    Property of kendiesel85

  • 25.0 Avg MPG
  • My Terrain

    2018 GMC Terrain SLT 2.0L L4 GAS Automatic 9 Speed
    Added Dec 2017 • 107 Fuel-ups

    Property of mbergner

  • 23.9 Avg MPG
  • BlackCloud’s Terrain Diesel

    2018 GMC Terrain SLT 1.6L L4 DIESEL Automatic 6 Speed
    Added May 2019 • 61 Fuel-ups

    Property of Cyanide

  • 40.9 Avg MPG
  • My Terrain

    2018 GMC Terrain Denali 2.0L L4 GAS Automatic 9 Speed
    Added Feb 2018 • 182 Fuel-ups

    Property of KBender

  • 20.8 Avg MPG
  • Gmc Terrian

    2018 GMC Terrain SLT 1.6L L4 DIESEL Automatic 6 Speed Sport Utility
    Added Mar 2018 • 107 Fuel-ups

    Property of cjp_8476

  • 34.9 Avg MPG
  • My Terrain

    2018 GMC Terrain SLT 2.0L L4 GAS Automatic 9 Speed
    Added Dec 2017 • 105 Fuel-ups

    Property of dwb81

  • 20.2 Avg MPG
  • My Terrain

    2018 GMC Terrain SLE 1.5L L4 GAS Automatic 9 Speed
    Added Jul 2018 • 110 Fuel-ups

    Property of coughlinmp

  • 27.0 Avg MPG
  • Storm Breaker

    2018 GMC Terrain SLT 1.6L L4 DIESEL Automatic 6 Speed
    Added May 2018 • 135 Fuel-ups

    Property of BayMan25

  • 30.7 Avg MPG
  • Terrain ‘18

    2018 GMC Terrain SLT 1.5L L4 GAS Automatic 9 Speed
    Added Apr 2018 • 115 Fuel-ups

    Property of wabash

  • 26.5 Avg MPG
  • My Terrain

    2018 GMC Terrain Denali 2.0L L4 GAS Automatic 9 Speed
    Added Jan 2018 • 67 Fuel-ups

    Property of FuelCricket

  • 24.3 Avg MPG
  • My Terrain

    2018 GMC Terrain SLE 1.5L L4 GAS Automatic 9 Speed
    Added Mar 2019 • 105 Fuel-ups

    Property of sharmckel

  • 27.8 Avg MPG
  • GMC Terrain

    2018 GMC Terrain SLE 1.6L L4 DIESEL Automatic 6 Speed
    Added May 2018 • 105 Fuel-ups

    Property of nstp97

  • 32.5 Avg MPG
  • 2018 GMC Terrain

    2018 GMC Terrain Denali 2.0L L4 GAS Automatic 9 Speed
    Added Nov 2017 • 150 Fuel-ups

    Property of wa5rng

  • 27.6 Avg MPG
  • Blue Steel

    2018 GMC Terrain SLE 1.5L L4 GAS Automatic 9 Speed Sport Utility
    Added Apr 2018 • 25 Fuel-ups

    Property of rxmonchamp

  • 25.5 Avg MPG
  • Andy&Karens Terrain

    2018 GMC Terrain SLE 1.5L L4 GAS Automatic 9 Speed
    Added Apr 2018 • 104 Fuel-ups

    Property of kandy

  • 28.3 Avg MPG
  • 2018 Terrain

    2018 GMC Terrain SLT 1.6L L4 DIESEL Automatic 6 Speed Sport Utility
    Added Dec 2019 • 64 Fuel-ups

    Property of sarwagwin

  • 37.0 Avg MPG
  • Black Terrain

    2018 GMC Terrain SLT 1.6L L4 DIESEL Automatic 6 Speed Sport Utility
    Added Mar 2018 • 106 Fuel-ups

    Property of TerrainTracker

  • 32.6 Avg MPG
  • My Terrain

    2018 GMC Terrain SLE 1.6L L4 DIESEL Automatic 6 Speed
    Added Apr 2019 • 48 Fuel-ups

    Property of superherofedman

  • 40.7 Avg MPG
  • Diesel Terrain

    2018 GMC Terrain SLT 1.6L L4 DIESEL Automatic 6 Speed
    Added Nov 2019 • 81 Fuel-ups

    Property of blkterrain

  • 37.9 Avg MPG
  • Trichs Terrain

    2018 GMC Terrain SLT 2.0L L4 GAS Automatic 9 Speed
    Added Jun 2018 • 109 Fuel-ups

    Property of Hammer46

  • 26.0 Avg MPG

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