It’s been more than four model years since the Audi R8 debuted in the U.S. and for 2013, the ultra-luxury sports car will undergo a mid-cycle refresh. While it might not look like it, the front end has been redesigned with new headlights, front bumper and front grille designs. The R8 also comes standard with a new seven-speed S-Tronic transmission and LED headlights. Continue below for more photos.