The 2025 FIA European Rallycross Championship for RX1 cars continues with round 4 of the series on August 23-24 at Kausala (KymiRing) in Finland.
The list of entries for the event looks as follows.
| No. | Driver | Car | Competitor |
|---|---|---|---|
| 11 |  Maiko Tamm | Ford Fiesta Mk7 | Tamm Racing |
| 17 |  Mats Öhman | VW Polo Mk5 | JC RaceTeknik |
| 20 |  Joni Turpeinen | Ford Fiesta Mk7 | Pirita Pakkanen |
| 24 | Anton Seppä | Škoda Fabia Mk3 | Anton Seppä |
| 30 |  Nils Volland | Audi S1 |  Volland Racing |
| 37 | Mika Liimatainen | Hyundai i20 |  PGRX |
| 60 | Martin Enlund | Ford Fiesta Mk7 ST | Martin Enlund |
| 66 | Damian Litwinowicz | Audi S1 | Automax Motorsport |
| 74 | Iivari Niemi | VW Polo Mk5 | Iivari Niemi |
| 76 | Mikko Ikonen | Hyundai i20 | Mikko Ikonen |
| 77 | René Münnich | SEAT Ibiza Mk5 | ALL-INKL.COM Münnich Motorsport |
| 95 |  Yury Belevskiy | Audi S1 | Volland Racing |