Critical Knowledge:

2010 Ram 1500: One year after a comprehensive redesign, the light-duty pickup receives new trailer towing equipment and ratings, fuel system electronics to improve efficiency, and an iPod connection.

2010 Ram 2500/3500: The heavy-duty pickup receives a slew of enhancements to the suspension, powertrains, chassis aerodynamics and options list for the new model year.

2010 Dodge Dakota: The last model year before it is to be discontinued, the automaker makes suspension enhancements to improve the ride.