iRacing Development Update - 2025 Season 4

Following on directly from YouTubers first looks at Season 4 - such as Emily Jones at Overtake.gg which SIRA shared recently - iRacing has released the video below, detailing quite the multitude of updates, new content and iRacing-ecosystem updates.

Season 4 highlights include -

• 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

You can also read about all the updates from the official page here :

iRacing - 2025 S4 Build

Links

iRacing - Official Website

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