The OKAYAMA GT 300KM Race, Round 2 of the 2008 AUTOBACS SUPER GT, was held at the Okayama International Circuit in Okayama Pref. on April 13. The GT500 class winner was the XANAVI NISMO GT-R driven by Satoshi Motoyama and Benoit Treluyer, their second consecutive victory after winning the season opener.
The GT300 class win went to the No. 43 ARTA Garaiya driven by Morio Nitta and Shinichi Takagi.