The entry list for the fourth round of the 2026 FIA European Rallycross Championship for RX4 Drivers on July 18-19 at Mondello Park in Ireland looks as follows:
| No. | Driver | Car | Competitor |
|---|---|---|---|
| 7 |  Anna Rusek | Peugeot 208 | Automax Motorsport |
| 12 |  Andréa Bénézet | Renault Clio Mk5 | Andréa Bénézet |
| 25 | Thomas Quincé | Renault Clio Mk5 | Thomas Quincé |
| 32 |  Albert Ako Kokk | Renault Clio Mk5 |  Set Promotion |
| 69 | Filip Melon | Peugeot 208 | Filip Melon |
| 94 |  Ivo Gabrāns | Renault Clio Mk5 | Ivo Gabrāns |
| 116 |  Haotian Deng | Renault Clio Mk5 | Volland Racing |