2025 GT4 Winter Series
The 2025 GT4 Winter Series was the second season of GT4 Winter Series. It started on 16 January 2025 in Circuito do Estoril and finished on 9 March in Circuit de Barcelona-Catalunya.
Results
Bold indicates overall winner.Championship standings
Scoring system
For overall classification top 10 gets points, from 25 points for 1st place, to 1 point for 10th place.| Position | 1st | 2nd | 3rd | 4th | 5th | 6th | 7th | 8th | 9th | 10th |
| Points | 25 | 18 | 15 | 12 | 10 | 8 | 6 | 4 | 2 | 1 |
In class classifications number of points awarded to the competitors is based on the number of entrants in that class.