To establish fraud, you have to prove that (1) the other party misrepresented facts, (2) you "reasonably" relied on the misrepresentation to enter into a contract.
人家虽然广告是写2004,但是车有产权title,你也可以去查VIN的历史,自己搞不清楚是2003的,确实是你自己的责任。你以前做的,没有人会认为是“reasonably" relied, 所以基本上没有什么希望赢 。