The 2007 Dodge Charger came with several engine options, so the horsepower varied considerably. You'll need to specify which engine was in the particular Charger you're interested in. The options included:
* 2.7L V6: Around 178 hp
* 3.5L V6: Around 250 hp
* 5.7L Hemi V8: Around 340 hp
* 6.1L Hemi V8 (in SRT8 models): Around 425 hp
Therefore, there's no single answer to your question.