* 2.4L 4-cylinder: This was the base engine, producing 178 horsepower.
* 2.0L Turbo 4-cylinder: This engine was available in the Optima SX, producing 274 horsepower.
To determine the exact horsepower of a specific 2012 Kia Optima, you'll need to know which engine it has. You can find this information on the vehicle's identification number (VIN) or by checking the owner's manual.
