2013 GMC Terrain: Terrain FWD · 3.6L · FWD · 6-speed automatic · FFV
One configuration of the 2013 GMC Terrain as listed by our sources. Every figure below carries its source.
| Specification | Value | Source |
|---|---|---|
| Engine | 3.6L 6-cylinder (SIDI; FFV) | EPA fueleconomy.gov |
| Displacement | 3.6 L | EPA fueleconomy.gov |
| Cylinders | 6 | EPA fueleconomy.gov |
| Fuel type | Flex fuel | EPA fueleconomy.gov |
| Transmission | 6-speed automatic | EPA fueleconomy.gov |
| Drivetrain | FWD | EPA fueleconomy.gov |
| Combined economy | 20 mpg (11.8 L/100 km) | EPA fueleconomy.gov |
| City economy | 17 mpg (13.8 L/100 km) | EPA fueleconomy.gov |
| Highway economy | 24 mpg (9.8 L/100 km) | EPA fueleconomy.gov |
Provenance & verification
- EPA fueleconomy.gov · US Government public data
Source checked: October 14, 2026
Data verified: October 14, 2026