Multiplayer is also launching this Summer and promises "redesigned netcode" alongside "ongoing improvements" for a "stable experience."
Lamborghini Huracan STO and Lancia Delta HF Integrale Evo 2 are now available in the racing sim alongside new Special Events.
The studio has also revealed that a future update with improvements to server infrastructure will arrive soon to enable online mode.
It currently offers 20 cars, five tracks, and various game modes. Other features include support for VR and triple screens.
The next title in KUNOS Simulazioni's racing sim franchise will feature 24-hour race cycles, dynamic weather, and a variety of cars.
The next Assetto Corsa game will be a proper follow-up to the original game in the franchise, according to studio executive Marco Massarutto.
It's also been confirmed that the racing simulation franchise has collectively sold over 28 million units to date.
A mobile game in the racing simulation series is also in development, and expected to launch this Summer.