GT America Series

The GT America Series is a sports car racing series based in the United States which runs as a support series to the GT World Challenge America. It is managed by the Stéphane Ratel Organisation and sanctioned by the United States Auto Club.

GT America Series

The GT America Series is a sports car racing series based in the United States which runs as a support series to the GT World Challenge America. It is managed by the Stéphane Ratel Organisation and sanctioned by the United States Auto Club.