YOU SAID:

that car over there looks suspicious

INTO JAPANESE

あそこの車は疑わしそうだ

BACK INTO ENGLISH

The car over there is likely to be suspicious.

INTO JAPANESE

向こうの車は疑わしいと思われる。

BACK INTO ENGLISH

The car over there seems to be suspicious.

INTO JAPANESE

あそこの車は疑わしいようです。

BACK INTO ENGLISH

The car over there seems to be suspicious.