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2018 GMC Terrain MPG

Based on data from 80 vehicles, 7,543 fuel-ups and 2,485,218 miles of driving, the 2018 GMC Terrain gets a combined Avg MPG of 28.51 with a 0.19 MPG margin of error.

Below you can see a distribution of the fuel-ups with 42 outliers (0.55%) removed.

Following shows the average MPG of each of the 80 vehicles in the system.

2018 GMC Terrains For Sale Nearby

  • GT2018

    2018 GMC Terrain SLE 1.6L L4 DIESEL Automatic 6 Speed Sport Utility
    Added Aug 2018 • 48 Fuel-ups

    Property of gain74

  • 28.5 Avg MPG
  • My Terrain

    2018 GMC Terrain SLT 2.0L L4 GAS Automatic 9 Speed
    Added Mar 2022 • 5 Fuel-ups

    Property of burnsey

  • 24.3 Avg MPG
  • My Terrain

    2018 GMC Terrain SLT 1.5L L4 GAS Automatic 6 Speed
    Added Jan 2020 • 98 Fuel-ups

    Property of adebbie24

  • 25.7 Avg MPG
  • My Terrain

    2018 GMC Terrain SLE 1.5L L4 GAS Automatic 9 Speed
    Added Mar 2019 • 160 Fuel-ups

    Property of sharmckel

  • 27.5 Avg MPG
  • Terrain

    2018 GMC Terrain SLT 1.5L L4 GAS Automatic 9 Speed Sport Utility
    Added Sep 2017 • 156 Fuel-ups

    Property of JoaoManuel

  • 28.2 Avg MPG
  • My Terrain

    2018 GMC Terrain SLE 1.5L L4 GAS Automatic 6 Speed
    Added Dec 2020 • 49 Fuel-ups

    Property of drifter47

  • 25.1 Avg MPG
  • GMC Terrain

    2018 GMC Terrain SLT 2.0L L4 GAS Automatic Sport Utility
    Added Apr 2018 • 57 Fuel-ups

    Property of dperez80

  • 25.0 Avg MPG
  • My Terrain

    2018 GMC Terrain SLT 1.6L L4 DIESEL Automatic 6 Speed
    Added May 2021 • 8 Fuel-ups

    Property of erichaddox

  • 31.8 Avg MPG
  • My Terrain

    2018 GMC Terrain SLE 1.5L L4 GAS Automatic 9 Speed
    Added Jul 2018 • 124 Fuel-ups

    Property of coughlinmp

  • 26.8 Avg MPG
  • Terrain ‘18

    2018 GMC Terrain SLT 1.5L L4 GAS Automatic 9 Speed
    Added Apr 2018 • 121 Fuel-ups

    Property of wabash

  • 26.4 Avg MPG
  • Blue Steel

    2018 GMC Terrain SLE 1.5L L4 GAS Automatic 9 Speed Sport Utility
    Added Apr 2018 • 29 Fuel-ups

    Property of rxmonchamp

  • 25.5 Avg MPG
  • My Terrain

    2018 GMC Terrain SLT 2.0L L4 GAS Automatic 9 Speed
    Added Dec 2017 • 110 Fuel-ups

    Property of dwb81

  • 20.0 Avg MPG
  • My Terrain

    2018 GMC Terrain Denali 2.0L L4 GAS Automatic 9 Speed
    Added Jan 2019 • 36 Fuel-ups

    Property of gtab

  • 26.8 Avg MPG
  • Hawkeye

    2018 GMC Terrain Denali 2.0L L4 GAS Automatic 9 Speed
    Added Oct 2020 • 10 Fuel-ups

    Property of Samari

  • 25.5 Avg MPG
  • My Terrain

    2018 GMC Terrain Denali 2.0L L4 GAS Automatic 9 Speed
    Added Sep 2020 • 10 Fuel-ups

    Property of Samari

  • 27.1 Avg MPG
  • My Terrain

    2018 GMC Terrain SLE 2.0L L4 GAS Automatic 9 Speed
    Added Jan 2018 • 110 Fuel-ups

    Property of koolkev

  • 19.5 Avg MPG
  • Diesel Terrain

    2018 GMC Terrain SLT 1.6L L4 DIESEL Automatic 6 Speed Sport Utility
    Added Nov 2019 • 11 Fuel-ups

    Property of lovebohn

  • 35.2 Avg MPG
  • My Terrain

    2018 GMC Terrain SLE 1.6L L4 DIESEL Automatic 6 Speed
    Added Jul 2018 • 134 Fuel-ups

    Property of qsterx

  • 34.5 Avg MPG
  • GMC Terrain

    2018 GMC Terrain SLT 1.6L L4 DIESEL Automatic 6 Speed
    Added Nov 2017 • 63 Fuel-ups

    Property of amtrak8

  • 31.6 Avg MPG
  • Pollywog

    2018 GMC Terrain SLT 1.6L L4 DIESEL Automatic 6 Speed Sport Utility
    Added Dec 2019 • 42 Fuel-ups

    Property of jtparton

  • 37.0 Avg MPG

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