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2018 GMC Terrain MPG

Based on data from 79 vehicles, 7,479 fuel-ups and 2,465,884 miles of driving, the 2018 GMC Terrain gets a combined Avg MPG of 28.52 with a 0.19 MPG margin of error.

Below you can see a distribution of the fuel-ups with 42 outliers (0.56%) removed.

Following shows the average MPG of each of the 79 vehicles in the system.

2018 GMC Terrains For Sale Nearby

  • My Terrain

    2018 GMC Terrain SLT 1.6L L4 DIESEL Automatic 6 Speed
    Added Feb 2024 • 77 Fuel-ups

    Property of Stevesgas

  • 35.7 Avg MPG
  • Dezzy

    2018 GMC Terrain SLE 1.6L L4 DIESEL Automatic 6 Speed Sport Utility
    Added Jun 2018 • 38 Fuel-ups

    Property of moyerdm

  • 24.4 Avg MPG
  • My Terrain

    2018 GMC Terrain SLT 2.0L L4 GAS Automatic 9 Speed
    Added Sep 2018 • 30 Fuel-ups

    Property of mishiemar

  • 26.0 Avg MPG
  • Terrain Diesel

    2018 GMC Terrain SLT 1.6L L4 DIESEL Automatic 6 Speed
    Added Sep 2019 • 16 Fuel-ups

    Property of mobo44

  • 37.4 Avg MPG
  • My Terrain

    2018 GMC Terrain Denali 2.0L L4 GAS Automatic 9 Speed
    Added Sep 2018 • 5 Fuel-ups

    Property of itsjustjae

  • 46.5 Avg MPG
  • My Terrain

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

    Property of brewbhr

  • 34.3 Avg MPG
  • My Terrain

    2018 GMC Terrain Denali 2.0L L4 GAS Automatic 9 Speed
    Added May 2018 • 42 Fuel-ups

    Property of gabymv

  • 22.7 Avg MPG
  • GMC Terrain

    2018 GMC Terrain SLE 1.5L L4 GAS Automatic 6 Speed Sport Utility
    Added Nov 2018 • 8 Fuel-ups

    Property of zoiguy

  • 25.1 Avg MPG
  • My Terrain

    2018 GMC Terrain SLE 1.6L L4 DIESEL Automatic 6 Speed
    Added Mar 2018 • 37 Fuel-ups

    Property of keylimegirl

  • 32.6 Avg MPG
  • My Terrain

    2018 GMC Terrain SLT 2.0L L4 GAS Automatic 9 Speed
    Added Nov 2017 • 56 Fuel-ups

    Property of wkdubberke

  • 22.8 Avg MPG
  • Terrain

    2018 GMC Terrain SLE 1.5L L4 GAS Automatic 6 Speed
    Added Jun 2018 • 19 Fuel-ups

    Property of jrimel

  • 25.3 Avg MPG
  • My Terrain

    2018 GMC Terrain SLE 1.6L L4 DIESEL Automatic 9 Speed
    Added Jun 2018 • 33 Fuel-ups

    Property of Meadors

  • 35.6 Avg MPG
  • Terrain

    2018 GMC Terrain SLT 1.5L L4 GAS Automatic 9 Speed Sport Utility
    Added Apr 2018 • 34 Fuel-ups

    Property of BernieL

  • 25.2 Avg MPG
  • 2018 Blue Terrain

    2018 GMC Terrain SLE Sport Utility
    Added Jun 2018 • 17 Fuel-ups

    Property of Amillermba

  • 26.0 Avg MPG
  • Terrain SLT

    2018 GMC Terrain SLT 1.5L L4 GAS Automatic 9 Speed Sport Utility
    Added Mar 2018 • 10 Fuel-ups

    Property of rwatters

  • 25.6 Avg MPG
  • GMC

    2018 GMC Terrain SLE 1.5L L4 GAS Automatic 9 Speed
    Added Jan 2018 • 10 Fuel-ups

    Property of thejuanandonly235

  • 20.6 Avg MPG
  • My Terrain

    2018 GMC Terrain SLT 2.0L L4 GAS Automatic 9 Speed
    Added Jan 2018 • 6 Fuel-ups

    Property of pgwill

  • 27.5 Avg MPG
  • Tia M Shubin

    2018 GMC Terrain SLT 2.0L L4 GAS Automatic 9 Speed Sport Utility
    Added Dec 2017 • 5 Fuel-ups

    Property of Tiamariestuff

  • 25.2 Avg MPG
  • My Terrain

    2018 GMC Terrain SLE 1.5L L4 GAS Automatic 9 Speed
    Added Nov 2017 • 3 Fuel-ups

    Property of idost2012

  • 26.4 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

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