on the old chargers and challengers positraction was an option, on the new cars I really don't know if the stock 6 cyl chargers and challengers have posi but the R/T models do.
The 2009 Dodge Challenger has 37.4 in. of rear head room.
The 2008 Dodge Challenger has 53.9 in. of rear shoulder room.
The 2012 Dodge Challenger has 32.6 in. of rear leg room.
The 2011 Dodge Challenger has 48.6 in. of rear hip room.
The 2013 Dodge Challenger has 53.9 in. of rear shoulder room.
The 2010 Dodge Challenger has 37.4 in. of rear head room.
The 2012 Dodge Challenger has 48.6 in. of rear hip room.
The 2009 Dodge Challenger has 51.4 in. of rear hip room.
The 2010 Dodge Challenger has 32.6 in. of rear leg room.
The 2013 Dodge Challenger has 48.6 in. of rear hip room.
The 2014 Dodge Challenger has 37.4 in. of rear head room.
The 2010 Dodge Challenger has 53.9 in. of rear shoulder room.