Please tell me which specific engine you are interested in. Some common options include:
* 3.0L V6 Supercharged: This engine had 335 horsepower.
* 5.0L V8 Supercharged: This engine had 470 horsepower.
* 5.0L V8 Supercharged (XFR): This engine had 510 horsepower.
Once you tell me the engine, I can give you the exact horsepower rating.