Vocabulary consisting only from characters you are able to read
乗用車
じょうようしゃ
passenger vehicle, automobile
相当
そうとう
(1)befitting, becoming, worthy of, proportionate, in keeping with, suitable, (2)considerable, substantial, (vs) (3)to be worthy of, to be proportionate to, (4)to correspond to (in meaning, functio suru
何故か
なぜか
somehow, for some reason, without knowing whymix