2026 GMC Acadia vs 2026 GMC Terrain
Published figures side by side. Rows where our sources have no value for a vehicle read “Not available”. Configurations differ within a model year, so ranges are shown where they apply.
| Specification | 2026 GMC Acadia | 2026 GMC Terrain |
|---|---|---|
| Engine | ||
| Engine | 2.5L 4-cylinder turbocharged (SIDI) | 1.5L 4-cylinder turbocharged (SIDI) |
| Displacement | 2.5 L | 1.5 L |
| Cylinders | 4 | 4 |
| Aspiration | Turbocharged | Turbocharged |
| Fuel type | Gasoline | Gasoline |
| Transmission and drivetrain | ||
| Transmission | Automatic | Automatic |
| Gears | 8 | 8 |
| Drivetrain | Varies by configuration: AWD, FWD | Varies by configuration: AWD, FWD |
| Fuel economy and range | ||
| Combined | 22 mpg (10.7 L/100 km) to 21 mpg (11.2 L/100 km) | 27 mpg (8.7 L/100 km) to 25 mpg (9.4 L/100 km) |
| City | 20 mpg (11.8 L/100 km) | 26 mpg (9.0 L/100 km) to 24 mpg (9.8 L/100 km) |
| Highway | 26 mpg (9.0 L/100 km) to 23 mpg (10.2 L/100 km) | 28 mpg (8.4 L/100 km) to 26 mpg (9.0 L/100 km) |