The 2006 Chrysler 300 came with several engine options, so the horsepower varied. You'll need to specify which engine was in the car to get a precise answer. The options included:
* 2.7L V6: Around 178 hp
* 3.5L V6: Around 250 hp
* 5.7L Hemi V8: Around 340 hp
Therefore, there's no single answer to your question.