Power-unit

The new ADUO leaks suggest Red Bull Ford sits at the top of the FIA’s combustion-engine ranking, but Mercedes still leads the championship in the real world. The result exposes the gap between a simplified technical benchmark and the full competitive package that actually decides races.

Antonelli dominated Monaco with an extraordinary race pace advantage, Mercedes executed the decisive setup pivot, Hamilton managed tyres and fuel on the way to second, Leclerc fell apart under braking pressure and a broken surface, and the ADUO leak reshaped the technical outlook for the rest of 2026.