Holy cow Autoblog! Full decryption of car alphanumerics

If you've ever wondered what the xi stands for behind the 330 on a BMW or even why BMWs use numbers instead of names like Bonneville check out this fairly detailed piece on MSNBC. I knew all about the BMW nomenclatures equaling liter size but never made the connection with Lexus and its designations. Some interesting stuff on a number of different brands including Saab and Cadillac.