The 2025 E4 Championship was the third season of the E4 Championship (previously titled Euro 4 Championship). It is a multi-event motor racing championship for open wheel, formula racing cars regulated according to FIA Formula 4 regulations, run by ACI Sport and WSK Promotion. The championship uses Tatuus F4-T421 chassis.
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Points are awarded to the top 10 classified finishers in each race. No points are awarded for pole position or fastest lap.
Each team acquired the points earned by their two best drivers in each race.