The 2012 GMC Terrain offered two gasoline engines: a 2.4-liter inline-4 and an optional 3.0-liter V6.
For the 2012 model year, GMC paired a 2.4-liter Ecotec four-cylinder with a six-speed automatic transmission as the base engine, and offered a more powerful 3.0-liter V6 as an upgrade. Both powertrains supported all-wheel drive on various trims depending on configuration.
Engine options
The following is a concise overview of the two engines available for the 2012 Terrain and their approximate outputs.
- 2.4-liter Ecotec inline-4: 182 horsepower and 172 lb-ft of torque.
- 3.0-liter V6: 264 horsepower and 222 lb-ft of torque.
Both engines were paired with a six-speed automatic transmission, with all-wheel drive available on multiple trims to accommodate different driving conditions.
Summary
In short, the 2012 GMC Terrain could be equipped with either a 2.4L inline-4 for efficiency or a 3.0L V6 for enhanced performance, both typically connected to a 6-speed automatic transmission and with optional all-wheel drive.