2018 GMC Terrain MPG
Based on data from 1 vehicles, 9 fuel-ups and 2,644 miles of driving, the 2018 GMC Terrain gets a combined Avg MPG of 28.83 with a 0.78 MPG margin of error.
Below you can see a distribution of the fuel-ups with 0 outliers (0.00%) removed.
2018 GMC Terrains For Sale Nearby
2018 GMC Terrain SLT 1.5L L4 GAS Automatic 9 Speed Sport Utility
Added Sep 2017 • 10 Fuel-ups
Property of JoaoManuel
28.8 Avg MPG