The 2015 Copa Petrobrás de Marcas season was the fifth season of the Brasileiro de Marcas. It began at Goiânia in March, and ended at Interlagos in December. In 2015 Brasileiro de Marcas was integrated at Stock Car Brasil events, with only the last round at Interlagos being held as a stand-alone event.
On 18 December 2014, Renault announced their return to Brazilian motorsport with four Renault Fluences being run by two official teams. After one win in three seasons, Mitsubishi will not return in 2015.
All drivers were Brazilian registered, except for Odair dos Santos, who ran under Paraguayan racing license and Ayman Darwich who ran under Egyptian racing license.
All races were held in Brazil.