F1 Sets 60/40 Power‑Unit Split for 2027 Season

Context Currently the rules mandate a notional 50/50 division of power between the combustion engine and the hybrid system. Teams have reported that the battery limits force drivers to lift off throttle in certain corners, making the car less predictable. The imbalance also adds complexity to energy management during a lap.

Recent seasons have shown drivers frequently lifting off throttle to save electrical energy, especially at high‑altitude circuits and street tracks. The resulting lift‑and‑coast patterns increase tyre wear and reduce overtaking opportunities. Engineers also note that the current hybrid layout adds complexity to cooling and packaging, prompting a push for a more robust, simpler hardware set‑up for 2027.

Key Facts The FIA confirmed that the internal combustion element will rise by 50 kW through increased fuel flow. The electrical element’s maximum output will be reduced from 350 kW to 300 kW. The agreement was reached in an online meeting on Friday that included teams, power‑unit manufacturers, the FIA and F1 management, with implementation slated for the 2027 season.

What It Means A higher ICE output should give cars more straight‑line speed and improve throttle response mid‑corner. Lower electric power means less energy to recover and deploy, which could simplify hybrid strategy and reduce wear on the battery.

Drivers may find the car’s behavior more consistent, potentially decreasing the number of lift‑and‑coast maneuvers. The shift also requires chassis adjustments to accommodate larger fuel tanks and tougher engine components, which could affect weight distribution and cooling needs.

To watch next: technical groups will refine the detailed package before it goes to the F1 Commission, Power Unit Advisory Committee and the FIA World Motor Sport Council for final approval.