Bsimracing Sim Racing Resources and News for the racing enthousiast.
Greg Hill, Senior VP and Executive Producer at iRacing, shared the most recent Dev Update video, which walks us through the 2025 Season 4 build’s feature and content changes.
Furthermore, Greg details the key highlights of this build and reveals some of the ongoing update projects that will be rolled out in the near future.
2025 Season 4 Highlights:
- New Sim UI
- Aston Martin Vantage GT3 EVO
- Dallara IL-15 (INDY NXT)
- Ford Mustang GT4
- Physics Overhaul for the GT4 Class, including Rain Tires updates
- BMW M4 GT3 updated to EVO spec
- Hybrid System Overhaul
- Substantial NASCAR Gen4 Drafting Updates
- Autódromo Hermanos Rodríguez (Mexico City)
- Rescanned and remodeled tracks: Charlotte Motor Speedway, North Wilkesboro Speedway, Sonoma Raceway, and World Wide Technology Raceway.
- Overhauled and modernized tracks: Chicago Street Course, Circuit of the Americas, Daytona International Speedway, Texas Motor Speedway, Watkins Glen International, and Oulton Park Circuit
- Texture Compression Update
- VR Headset Eye-Tracking Foveated Rendering Support
- European Spanish for much of the non-in-Sim iRacing application
- All three new cars come ready for rain racing! (Aston Martin Vantage GT3 EVO, Dallara IL-15, Ford Mustang GT4)
- AI Racing is now available with FOUR new cars! (Aston Martin Vantage GT3 EVO, Ford Mustang GT4, and the NASCAR Gen4 Class Cars)
- AI Racing is now available at North Wilkesboro Speedway, Circuit of the Americas – NASCAR West, and all SEVEN track configurations for the brand new Autódromo Hermanos Rodríguez (Mexico City)! AI Drivers have also been retrained from scratch at Charlotte Motor Speedway – all EIGHT non-Dirt configs, Sonoma Raceway – all NINE non-Dirt configs, and World Wide Technology Raceway (Gateway) – Oval
- Hundreds of meticulously engineered new vehicle setups
Check out the full 2025 Saison 4 release notes here.
Official Webpage – www.iRacing.com
