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2018 GMC Terrain MPG

Based on data from 78 vehicles, 6,665 fuel-ups and 2,186,198 miles of driving, the 2018 GMC Terrain gets a combined Avg MPG of 28.38 with a 0.20 MPG margin of error.

Below you can see a distribution of the fuel-ups with 60 outliers (0.89%) removed.

Following shows the average MPG of each of the 78 vehicles in the system.

2018 GMC Terrains For Sale Nearby

  • Trichs Terrain

    2018 GMC Terrain SLT 2.0L L4 GAS Automatic 9 Speed
    Added Jun 2018 • 253 Fuel-ups

    Property of Hammer46

  • 26.5 Avg MPG
  • Dad's Terrain

    2018 GMC Terrain SLE 2.0L L4 GAS Automatic 9 Speed Sport Utility
    Added Jun 2019 • 107 Fuel-ups

    Property of HerbTarlek

  • 26.7 Avg MPG
  • Gmc Terrian

    2018 GMC Terrain SLT 1.6L L4 DIESEL Automatic 6 Speed Sport Utility
    Added Mar 2018 • 249 Fuel-ups

    Property of cjp_8476

  • 33.9 Avg MPG
  • Red Terrain

    2018 GMC Terrain SLE 2.0L L4 GAS Automatic 9 Speed Sport Utility
    Added Aug 2022 • 73 Fuel-ups

    Property of chrishuntfish2

  • 25.6 Avg MPG
  • Terrain

    2018 GMC Terrain SLE 1.5L L4 GAS Automatic 9 Speed
    Added Dec 2017 • 94 Fuel-ups

    Property of red5_5

  • 26.7 Avg MPG
  • BlackCloud’s '18 Terrain Diesel

    2018 GMC Terrain SLT 1.6L L4 DIESEL Automatic 6 Speed
    Added May 2019 • 199 Fuel-ups

    Property of Cyanide

  • 39.2 Avg MPG
  • My Terrain

    2018 GMC Terrain SLT 2.0L L4 GAS Automatic 9 Speed
    Added Dec 2020 • 28 Fuel-ups

    Property of Niff42

  • 21.5 Avg MPG
  • My Terrain

    2018 GMC Terrain SLE 1.6L L4 DIESEL Automatic 6 Speed Sport Utility
    Added Apr 2019 • 100 Fuel-ups

    Property of superherofedman

  • 39.8 Avg MPG
  • Tank

    2018 GMC Terrain SLT 1.6L L4 DIESEL Automatic 6 Speed Sport Utility
    Added Dec 2023 • 11 Fuel-ups

    Property of Coralreef

  • 40.1 Avg MPG
  • GMC Terrain Denali

    2018 GMC Terrain Denali 2.0L L4 GAS Automatic 9 Speed Sport Utility
    Added Feb 2021 • 108 Fuel-ups

    Property of nlatkinson

  • 19.6 Avg MPG
  • Terrain

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

    Property of artman1913

  • 27.3 Avg MPG
  • Terrain

    2018 GMC Terrain Denali 2.0L L4 GAS Automatic 9 Speed Sport Utility
    Added Feb 2023 • 4 Fuel-ups

    Property of vincent1959

  • 37.1 Avg MPG
  • Storm Breaker

    2018 GMC Terrain SLT 1.6L L4 DIESEL Automatic 6 Speed
    Added May 2018 • 229 Fuel-ups

    Property of BayMan25

  • 30.6 Avg MPG
  • Diesel Terrain

    2018 GMC Terrain SLT 1.6L L4 DIESEL Automatic 6 Speed
    Added Nov 2019 • 168 Fuel-ups

    Property of blkterrain

  • 37.6 Avg MPG
  • My Terrain

    2018 GMC Terrain SLE 1.5L L4 GAS Automatic 9 Speed
    Added Oct 2022 • 53 Fuel-ups

    Property of Mike7777

  • 24.6 Avg MPG
  • My Terrain

    2018 GMC Terrain SLT 1.5L L4 GAS Automatic 6 Speed
    Added Oct 2022 • 4 Fuel-ups

    Property of us_ct_tc

  • 24.4 Avg MPG
  • 2018 Terrain

    2018 GMC Terrain SLE 1.5L L4 GAS Automatic 6 Speed Sport Utility
    Added Feb 2022 • 12 Fuel-ups

    Property of Rworen

  • 24.5 Avg MPG
  • My Terrain

    2018 GMC Terrain SLE 1.5L L4 GAS Automatic 6 Speed
    Added May 2019 • 14 Fuel-ups

    Property of msshowler

  • 21.9 Avg MPG
  • 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

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Tips

ethanol treatment

i use sta-bil marine formula ethanol treatment. 1oz. per 10... ...

by JBW

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