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Home » Ferrari hits 2026 F1 power unit trouble with critical material issues

Ferrari hits 2026 F1 power unit trouble with critical material issues. A major rumour shakes up the 2026 F1 engine landscape.

Ferrari SF-25 rear wing, view, engine, power unit, 2025 F1

Mercedes appears to have a clear advantage with the 2026 engines, as new information highlights several difficulties affecting the other Formula 1 teams. For months, the German manufacturer has been repeatedly described as a favourite under the next set of regulations, based on numerous paddock reports. The latest rumour surrounding the 2026 F1 power units goes even further, revealing the full extent of the technical problems experienced by the other teams. One outfit may even fail to prepare its engine in time for the Barcelona tests, which are scheduled to begin on 26 January.

The power unit will be a crucial element of the new regulations. Formula 1 is preparing for one of the most radical transformations in its history, and next year’s cars will be fundamentally different from those currently on the grid. The biggest concern is that one team could gain a major performance advantage over its rivals, potentially recreating the type of dominance previously delivered by Mercedes.

The latest rumours about next year

Speaking on an Eleven Sports broadcast, former Ferrari and McLaren figure Marcin Budkowski explained that he has gathered several pieces of information regarding next season. According to what he stated, Mercedes is the only F1 team currently operating within its planned development schedule for the new engines. The Brackley-based manufacturer will also supply components to McLaren, Alpine and Williams, giving those teams the possibility of benefiting from its progress.

The other manufacturers, based on what has been reconstructed and reported, are facing issues from different sources. Ferrari is believed to be struggling with problems linked to the materials being used. This factor will become even more significant next year, as the pursuit of efficiency will need to be at the highest level in order to compete at the top.

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The remaining teams are dealing with time-related challenges. Aston Martin will rely on Honda, but the Japanese manufacturer is reportedly well behind schedule, meaning the British team could even risk missing the opening tests in Barcelona. A similar situation is said to be affecting Audi, which is struggling to stay aligned with its initial programme and has fallen behind in terms of design and development.

Red Bull will be producing its own power units for the first time in partnership with Ford. It will be a major test for the Milton Keynes team, which, however, may face a difficult start to the upcoming season. The specific reasons behind these potential struggles have not been disclosed.

These regulations have already generated considerable debate in recent months. If this scenario were to materialise, the grid could face significant performance gaps right from the opening race. More concrete information is expected during the winter break, with the first real indications only arriving once the cars take to the track for the first time.

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Dec 4, 2025Alex Marino
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Fred Vasseur: "We will give everything right to the very end to try to finish on a positive note" | F1 Abu Dhabi GPF1 | FIA confirms teams can run TPC tests with previous power units

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Alex Marino

Alex Marino is a ScuderiaFans editorial byline focused on breaking Ferrari news, official team updates and major Formula 1 developments. Articles published under this byline are reviewed for clarity and factual accuracy.

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