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2017 GMC Terrain MPG

Based on data from 48 vehicles, 4,942 fuel-ups and 1,440,789 miles of driving, the 2017 GMC Terrain gets a combined Avg MPG of 21.78 with a 0.12 MPG margin of error.

Below you can see a distribution of the fuel-ups with 74 outliers (1.48%) removed.

Following shows the average MPG of each of the 48 vehicles in the system.

2017 GMC Terrains For Sale Nearby

  • Midge's Car

    2017 GMC Terrain SLE Automatic 6 Speed Sport Utility
    Added Apr 2019 • 5 Fuel-ups

    Property of peisenbraun

  • 26.8 Avg MPG
  • Terrain

    2017 GMC Terrain SLT 2.4L L4 GAS Automatic 6 Speed
    Added Mar 2017 • 43 Fuel-ups

    Property of tonygillett

  • 22.8 Avg MPG
  • My Terrain

    2017 GMC Terrain SLE 2.4L L4 GAS Automatic 6 Speed
    Added Feb 2018 • 11 Fuel-ups

    Property of bbrown0990

  • 21.0 Avg MPG
  • Terrain 2017

    2017 GMC Terrain SLT 2.4L L4 GAS Automatic 6 Speed
    Added Nov 2018 • 52 Fuel-ups

    Property of CountryBaker

  • 25.7 Avg MPG
  • My Terrain

    2017 GMC Terrain SL 2.4L L4 FLEX Automatic 6 Speed
    Added Dec 2017 • 5 Fuel-ups

    Property of wombatty

  • 21.3 Avg MPG
  • My Terrain

    2017 GMC Terrain SL 2.4L L4 FLEX Automatic 6 Speed
    Added Mar 2017 • 21 Fuel-ups

    Property of yyy23

  • 21.4 Avg MPG
  • Big Soul

    2017 GMC Terrain SLE 2.4L L4 FLEX Automatic 6 Speed Sport Utility
    Added Jun 2017 • 5 Fuel-ups

    Property of Neanderthal

  • 24.6 Avg MPG
  • My Terrain 2017 Black

    2017 GMC Terrain SLE 2.4L L4 FLEX Automatic 6 Speed
    Added Nov 2016 • 10 Fuel-ups

    Property of eapalmese

  • 18.4 Avg MPG

Recent Activity

from other GMC Terrain vehicles (View All)

Tips

Find Good Gas - and stick with it.

Check out several different gas stations and fill up (vary t... ...

by FuelBill

Read more tips