Different tuning from cars in online seasonals ?

[LaurelLondon]

When I use one of my cars for seasonal events its performance is completely different compared to other races ? Is the tuning being adjusted for online seasonal events ? ...

 

[Jaywalker]

When I use one of my cars for seasonal events its performance is completely different compared to other races ? Is the tuning being adjusted for online seasonal events ? ...

Cars handle differently in online races, but as far as I can tell/feel, not for seasonals.