Auto adjectives are listed in this post. Each word below can often be found in front of the noun auto in the same sentence. This reference page can help answer the question what are some adjectives commonly used for describing AUTO.
american, big, domestic, first, foreign
former, full, german, global, japanese
large, largest, local, major, many
more, most, new, old, other
own, personal, serious, small, western
Hope this word list had the adjective used with auto you were looking for. Additional describing words / adjectives that describe / adjectives of various nouns can be found in the other pages on this website.