2017 GMC Terrain MPG
Based on data from 2 vehicles, 17 fuel-ups and 6,001 miles of driving, the 2017 GMC Terrain gets a combined Avg MPG of 22.00 with a 0.83 MPG margin of error.
Below you can see a distribution of the fuel-ups with 1 outliers (5.56%) removed.
Following shows the average MPG of each of the 2 vehicles in the system.
2017 GMC Terrains For Sale Nearby
2017 GMC Terrain SLT 3.6L V6 GAS Automatic 6 Speed
Added Sep 2016 • 13 Fuel-ups
Property of ilvikngfan
21.5 Avg MPG
2017 GMC Terrain Denali 2.4L L4 FLEX Automatic 6 Speed
Added Sep 2016 • 7 Fuel-ups
Property of dlharris5
24.4 Avg MPG