* 4-speed automatic transmission: This was the standard option and was paired with the 3.5L V6 engine.
* 5-speed manual transmission: This was available on the base model with the 2.2L 4-cylinder engine.
To determine the specific transmission in a particular 2005 Malibu, you would need to look at the vehicle's VIN (Vehicle Identification Number) or check the owner's manual.