What is the difference between a 2003 Mitsubishi evolution and a 2004 Mitsubishi evolution?

I'm looking to buy a Mitsubishi Evolution 8 and i have found many offers on 2003's.I am wondering if there is a difference between 2003 Evolution's and 2004's.|||Nothing. 2003 was the first year they were sold in the US. 2004 is the same car...there were no updates..|||1 year.