RFactor Formula Custom World Championship 2021

The 2021 rFactor Formula Custom World Championship is a motor racing championship. It is held in rFactor and the Formula Renault 3.5 2010 mod is used with custom liveries.

Teams and Drivers
The Following Teams and Drivers are Currently Confirmed to Compete in 2021.

New Entries Process
After the rFactor Global Drivers Cup Season 1 was cancelled due to a lack of entries (Velocity decided to withdraw for the Shanghai Grand Prix), a new mod was found to do a custom season with, the 2010 Formula Renault 3.5 mod. A total of 25 teams sent applications to join, to which 8 were accepted. One of the controversial entries in the list came from Angolan Project Gurgel Racing Team, which was sued by the former owners of now-defunct Brazilian car company Gurgel. Other projects included a small project to revive legendary F1 Team Tyrrell, an attempt to keep the Italia-Izotec team in the series with former driver Arsenio Remo (Driving for Kia) and David Mariani (Driving for Velocity). The one that garnered the most media attention was Surikhov Grand Prix, named "Russia's First Formula Custom Team. It was denied initially, but the team claimed they bought the old assets of the Global Championship Italia-Izotec team, and would be allowed to race, but they were still denied, even with a court appeal.

Team Changes

 * All Teams in the Original Series (Except for Italia-Izotec) came back to compete in Formula Custom. PandaAsia went bankrupt after Geely left the sport, but was saved by a group of British investors, who provided the team with Opel engines.
 * EuroDrive retained their partnership with Renault, as they switched from using Dacia's engines to using Renault engines for 2021.
 * Velocity GP was partially bought by the Daimler Group to save the team from bankruptcy, as they used Mercedes engines, with modifications made by Mitsubishi.
 * FiCro stopped using Izotec engines to using Renault engines.
 * Hyundai, Kia and Izotec created their own works Formula Custom team.
 * Whyte Racing joined the grid with the goal of raising attention to refugee drivers.
 * Atlas Grand Prix joined, having formerly been a BMW Works Team.
 * Ypsillon Grand Prix joined and made a technical partnership with Izotec to provide engines and gearboxes for the 2021 season.
 * BrittanyRacing (Better known as BritRacing) joined as another team with Opel engines, after OneDrive PandaAsia.
 * Ackroyd Racing was accepted into the grid after planning a racing project for 8 months.