What does sxt mean on a dodge dart?

The SXT label in a Dodge Dart means that it has the standard extra trim. This is a designation that it has the mid-level trim options installed on the car. Manufacturers often use different letters or numbers to indicate trim options that are installed on cars. This can include things like interior options, exterior options, and different components in the vehicles that change as You go to different trim levels. Usually there is a base option, a mid tier option, and a top tier option for most American vehicles, especially Dodge. Usually the SXT trim will have upgraded seat options, as well as some upgraded trim around the interior of the vehicle that is better looking than the base plastic options.