The Seacrest Racing Club have a GT league featuring 29 different GT cars including a variety of performance balanced Aston Martin’s, Bentley’s, Lamborghini’s, Viper’s, Ferrari’s, Nissan’s, Honda’s, Mercedes, Jaguar’s, Ford’s, BMW’s and Porsche’s. They also have a separate F1 league.
Their league uses the rFactor game with a custom mod. League members can download the complete game including their custom mod for free.
You can join their regular league, but they also have a four hour endurance race at Spa on April 7th. There is a wide variety of drivers in the league from beginners to extremely advanced drivers.
If you are interested, please contact them via their Discord channel … https://discordapp.com/invite/AkRFyz5