The 2025 GT Winter Series is the fifth season of GT Winter Series.
It started at 16 January in Circuito do Estoril and will finish at 9 March in Circuit de Barcelona-Catalunya.
Bold indicates overall winner.
Overall classification will be based on the points scored in class.
Bold – Pole Italics – Fastest Lap † — Did not finish, but classified 1 2 3... – Position in class