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2021 GMC Terrain MPG

Based on data from 1 vehicles, 6 fuel-ups and 1,356 miles of driving, the 2021 GMC Terrain gets a combined Avg MPG of 25.02 with a 3.91 MPG margin of error.

Below you can see a distribution of the fuel-ups with 0 outliers (0.00%) removed.

  • 2021 GMC Terrain

    2021 GMC Terrain SLT 1.5L L4 GAS Automatic 9 Speed Sport Utility
    Added Dec 2020 • 7 Fuel-ups

    Property of terrymc1

  • 25.0 Avg MPG

Recent Activity

from other GMC Terrain vehicles (View All)


Pump Fuel Cool and Slow

Pump gas in the morning when the ground tanks are cold. Flui... ...

by cbronson

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