The Chrysler 300 has always carried itself with a certain big-sedan swagger, and the 300S leans into that with sportier styling and a blacked-out attitude that sets it apart from the more formal base trims. It's one of the last true full-size American rear-drive sedans, and it wears the role well. Powering this one is Chrysler's familiar 3.6L Pentastar V6, a naturally aspirated gasoline engine rated at 292 horsepower from the factory. It's a smooth, flexible six that suits the 300's relaxed h...