* 6-speed manual: This was available on several models.
* 5-speed automatic: This was also offered on various models, particularly with the lower-powered engines.
* 8-speed automatic: This was a newer option introduced in 2012 and was available on higher-performance models and with certain engines.
Therefore, there's no single answer without knowing the specific engine and trim level of the 2012 Dodge Challenger in question.
