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Mercedes power unit rumour complicates Ferrari’s 2027 F1 plans

Ferrari’s attempt to close its power-unit deficit to Mercedes ahead of 2027 could face an even bigger obstacle. A new rumour suggests that Mercedes still has considerable engine performance in reserve and may not reveal its full potential during the…

Published: Thursday, 1 October 2026 at 10:10 PM
Mercedes power unit rumour complicates Ferrari’s 2027 F1 plans
Key Things to Know
  • Rumors suggest Mercedes has significant reserve engine performance that could disrupt Ferrari's 2027 power-unit plans.
  • Mercedes is reportedly holding back its full power-unit potential during the 2026 season.
  • Ferrari recovered approximately 20 horsepower with upgrades in Austria and Monza after starting 2026 with a 30-horsepower deficit.
The Story in 60 Seconds

Elena Rossi reports that Ferrari's efforts to close its engine deficit ahead of 2027 face significant obstacles due to rumors that Mercedes holds substantial performance in reserve. According to claims reported by AutoRacer.it, Mercedes is not expected to reveal its full engine capabilities during the 2026 season, leaving the Brackley-based team highly confident as Ferrari prepares an entirely new power-unit architecture for 2027.

Ferrari started 2026 facing a reported deficit of over 30 horsepower, recovering roughly 20 horsepower through upgrades in Austria and Monza. However, with Mercedes reportedly unlocking extra power and Red Bull holding the strongest internal combustion engine, Ferrari faces a major development challenge despite having two ADUO tokens available for 2027.

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