sedan vs saloon

sedan and saloon both are nouns.

Word	Noun	Adjective	Verb	Adverb
sedan	Yes	No	No	No
saloon	Yes	No	No	No

As nouns, sedan and saloon are synonyms defined as:

sedan and saloon: a car that is closed and that has front and rear seats and two or four doors

sedan (noun)	saloon (noun)
a car that is closed and that has front and rear seats and two or four doors	a room or establishment where alcoholic drinks are served over a counter
a closed litter for one passenger	tavern consisting of a building with a bar and public rooms; often provides light meals
	a car that is closed and that has front and rear seats and two or four doors