The 2015 International GT Open season was the tenth season of the International GT Open, the grand tourer-style sports car racing founded in 2006 by the Spanish GT Sport Organización.
It began on 26 April at Circuit Paul Ricard and finished on 1 November, at Barcelona after seven double-header meetings.
The series changed tyre supplier from Dunlop to Michelin.
[1] Miguel Ramos Andrew Watson Claudio Sdanewitsch Salih Yoluç Ezequiel Pérez Companc Miguel Sardinha