Season 4
Patch 3
Oct 21, 2025
Altitude Physics, New Mode for 499P, and Critical Penalty Fix
New altitude physics impact GT/TCR engine power. Ferrari 499P gains a new hybrid "cornering mode." A critical bug causing false black flags for track cuts has been fixed. Mid-season GT3 BoP adjustments.
Patch 2
Sep 25, 2025
Major BoP for iRacing's GTP Class: Hybrid Fuel Parity & New Altitude Physics Arrive!
Major BoP for GTP class (incl. 499P) adjusts hybrid fuel economy for parity. New physics correction for engine power at high-altitude tracks. Aston Martin GT3 gets a torque increase. Dallara IL15 now available for AI.
