panda car vs prowl car

panda car and prowl car both are nouns.

Word	Noun	Adjective	Verb	Adverb
panda car	Yes	No	No	No
prowl car	Yes	No	No	No

As nouns, prowl car is a hypernym of panda car; that is, prowl car is a word with a broader meaning than panda car:

panda car: a police cruiser
prowl car: a car in which policemen cruise the streets; equipped with radiotelephonic communications to headquarters

Other hypernyms of panda car include cruiser, patrol car, police car, police cruiser, squad car.

panda car (noun)	prowl car (noun)
a police cruiser	a car in which policemen cruise the streets; equipped with radiotelephonic communications to headquarters