Overview
- GT World Challenge America launches at Sonoma with a single three-hour race and a 20-car field, the series’ largest in six years with five Pro entries and 14 in Pro-Am.
- Top-class entries span eight GT3 makes, with confirmed Pro cars from Ford, Porsche, Ferrari, BMW, and Mercedes-AMG and several title-contending Pro-Am lineups from Porsche-heavy squads.
- Pirelli GT4 America starts at Sonoma with 31 cars, bringing six manufacturers, the latest Ford Mustang GT4s, and multiple Porsche Carrera Cup graduates stepping into the series.
- GT America’s SRO3 grid lists 18 cars at Sonoma, a new Cup class debuts with three single-make entries, and the title fight opens up after 2025 champion Justin Rothberg became ineligible.
- GT World Challenge Australia posts 17 entries for Phillip Island with seven brands represented and Audi leading the count with five cars, including reigning champions returning.