The 2013 Dodge Avenger came with a few different engine options, so the horsepower varied. You'll need to specify which engine was in the particular Avenger you're interested in. The options were:
* 2.4L four-cylinder: Around 173 horsepower
* 3.6L Pentastar V6: Around 283 horsepower
Therefore, there's no single answer without knowing the engine type.