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GMC Terrain Fuel Economy (g/100m)

g/100m Number of Vehicles
3 gallons per 100 meters 2 vehicles
4 gallons per 100 meters 154 vehicles
5 gallons per 100 meters 22 vehicles
Model Year Body/Powertrain g/100m  
2020 2020 4dr SUV turbocharged 252hp 2.0L I4 9-sp shiftable automatic 4WD 4.12
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With the turbocharged 188kW 2.0L I4 engine, 9-speed shiftable automatic transmission, and four-wheel drive, the 2020 GMC Terrain has been averaging 4.12 L/100km (liters per 100 kilometers).

The 2020 GMC Terrains in this analysis were driven mostly on the highway at an average speed of 80 kilometers per hour (about 63.6 percent of the kilometers driven). The rest of the kilometers were in the suburbs (0 percent), in the city (0 percent), and in heavy traffic (0 percent).

In addition, the average 2020 GMC Terrain in this analysis was driven on flat terrain with a medium foot and the AC not used at all.

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2020 GMC Terrain Gas Mileage (g/100m)

Unlike other fuel economy surveys, TrueDelta's Real-World Gas Mileage Survey includes questions about how and where a car was driven. So you can get an idea of the GMC Terrain's real-world g/100m based on how and where you drive a car.