There is a an external difference, I hAve an 09 awd coupe and the front bumper is of different design than that of sport model and I think the rear bumper has some sort of a lip kit on the sides, I hate the awd front bumper so hopefully she is getting the sport bumper very soon!!! Only 7 weeks old and 6000 miles FML I gotta stop driving here lol and let get chill in the drive way all shiny