| 1 | 0 | 3 | 4 | 3 | 4 |
GMC Terrain MPG
| MPG | Number of Vehicles |
| 20 miles per gallon | 3 vehicles |
| 21 miles per gallon | 11 vehicles |
| 22 miles per gallon | 12 vehicles |
| 23 miles per gallon | 34 vehicles |
| 24 miles per gallon | 32 vehicles |
| 25 miles per gallon | 34 vehicles |
| 26 miles per gallon | 33 vehicles |
| 27 miles per gallon | 10 vehicles |
| 28 miles per gallon | 9 vehicles |
| 29 miles per gallon | 1 vehicles |
| 30 miles per gallon | 0 vehicles |
| 31 miles per gallon | 1 vehicles |
| Model Year | Body/Powertrain | MPG | |
| 2020 | 2020 4dr SUV turbocharged 252hp 2.0L I4 9-sp shiftable automatic 4WD | 24.4 | See all data |
| With the turbocharged 252hp 2.0L I4 engine, 9-speed shiftable automatic transmission, and four-wheel drive, the 2020 GMC Terrain has been averaging 24.4 MPG (miles per gallon). The 2020 GMC Terrains in this analysis were driven mostly on the highway at an average speed of 80 miles per hour (about 63.6 percent of the miles driven). The rest of the miles 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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