After the release of the Lexus brand in the Japanese domestic market in 2005, Lexus sanctioned the entry of four SC 430 coupes in the Super GT series of the All Japan Grand Touring Car Championship in the GT500 class.
Setelah peluncuran merk Lexus di Jepang tahun 2005, Lexus segera berpartisipasi dengan 4 buah SC 430 Koupenya di seri Super GT di All Japan Grand Touring Car Championship.