The 2025 Season 2 build update includes a major overhaul of GTP physics and tires, for a much more realistic, challenging, and rewarding driving experience. Tires now take longer to reach their optimal temperature, making the out lap a critical part of race strategy. Grip has been reduced, particularly at high speeds, meaning careful throttle control and precise steering are more important than ever. In fact, over a two-minute lap, the updated tires alone can be several seconds slower than befor

IRacing is the best sim for physics and always will be. There is a reason why so many professional drivers utilize this as a training tool to maximize their seat time. Absolutely nothing comes close, except LMU. IRacing has me hooked again.. Ferrari 499 x Nurburgring | Daniel Kilian

iRacing vs. Assetto Corsa