* 4.2L V8: This naturally aspirated engine produced 400 horsepower and 384 lb-ft of torque.
* 4.7L V8: This naturally aspirated engine, available in the "Quattroporte Sport GT", produced 430 horsepower and 457 lb-ft of torque.
It's important to note that there were some variations in these engines depending on the model year and trim level, but these were the two main engine options for the 2007 model year.
