The 2025 GT4 Winter Series will be the second season of GT4 Winter Series.
It will start on 16 January 2025 in Circuito do Estoril and will finish on 9 March in Circuit de Barcelona-Catalunya.
For overall classification top 10 gets points, from 25 points for 1st place, to 1 point for 10th place.
In class classifications number of points awarded to the competitors is based on the number of entrants in that class.
Bold – Pole Italics – Fastest Lap † — Did not finish, but classified