Adrien Brody Undercover Clunker

Just last year, Adrien Brody was driving around NYC in a jet black $200,000 Ferrari ... but yesterday, the Oscar winner rolled into JFK in something a little less flashy ... a 1987 Chrysler Conquest. 



Brody -- clearly going for the incognito look -- was dropping off a super-hot mystery blonde at the airport ... when our photog noticed the actor behind the wheel. 

A rep for Kelley Blue Book tells TMZ, Brody's beater is valued at a measly $2,125 ... and that's if it's in good condition.