automotive vehicle vs motor vehicle

automotive vehicle and motor vehicle both are nouns.

Word	Noun	Adjective	Verb	Adverb
automotive vehicle	Yes	No	No	No
motor vehicle	Yes	No	No	No

As nouns, automotive vehicle and motor vehicle are synonyms defined as:

automotive vehicle and motor vehicle: a self-propelled wheeled vehicle that does not run on rails

automotive vehicle (noun)	motor vehicle (noun)
a self-propelled wheeled vehicle that does not run on rails	a self-propelled wheeled vehicle that does not run on rails