2009 Stock Car Brasil season

The 2009 Copa Nextel Stock Car season was the 31st Stock Car Brasil season. It began on March 29 at Interlagos and ended on December 6 at same circuit after twelve rounds.

This season introduced a new tubular chassis JL G-09 similar to DTM, replacing the model that was used since 2000. Before the start of the championship, Mitsubishi announced that left the championship. Cacá Bueno won his third championship.