It is pronounced Pree... ---------------------- Grand Prix /Fr. grahn pree/ Pronunciation Key - Show Spelled Pronunciation[Fr. grahn pree] Pronunciation Key - Show IPA Pronunciation plural Grand Prix, Grands Prix, Grand Prixes /all pronounced Fr. grɑ̃ ˈpriz/ Pronunciation Key - Show Spelled Pronunciation[all pronounced Fr. grahn preez] Pronunciation Key - Show IPA Pronunciation. (sometimes lowercase) any of various major automobile races over a long, arduous course, esp. an international car race held each year over the same course. [Origin: 1905–10; < F: grand prize] Source