Assetto Corsa Competizione [v1.8.18] May 2026

The engine was upgraded from 333Hz to 400Hz, providing 20% more data points for tire and ground collision detection. This makes curb strikes and high-speed tire oscillations significantly more detailed.

A new friction model changed how tires generate heat and grip. Tires now take longer to warm up but retain core heat better, making out-laps more challenging but providing more consistent long-stint performance. Assetto Corsa Competizione [v1.8.18]

Subsequent updates under the same version number addressed sporadic desktop crashes (exception code 0xc0000374 ) and increased the online protocol version for better multiplayer compatibility. The Core v1.8 Foundation The engine was upgraded from 333Hz to 400Hz,

Revised wet track limits were implemented across various circuits to prevent unintended advantages during rainy sessions. Tires now take longer to warm up but

A critical update for competitive players, introducing new gear ratios for the M4 GT3 to match real-world homologation standards.

Deep dive into the v1.8.18 update and the massive v1.8 physics overhaul that defines it: