Ferrari Struggles Ahead of the 2025 Japanese GP: SF-25 Too Sensitive Compared to McLaren?

The Ferrari F1 SF-25 revealed several issues during the 2025 Chinese Grand Prix, with a car that was particularly sensitive to setup changes and track conditions. As the team prepares for the 2025 Japanese Grand Prix, questions arise about Ferrari’s ability to adapt to a technical circuit like Suzuka, especially given the strong performance displayed by McLaren in recent races.

Engineer Segalini, with 15 years of experience in Formula 1 with teams such as Haas, Alfa Romeo Sauber, and Toro Rosso, analyzed the reasons behind Ferrari’s struggles and compared the team’s performance to its rivals.

Ferrari SF-25: A Car Too Sensitive Compared to McLaren?

According to Segalini, the Ferrari SF-25 suffers from excessive sensitivity compared to the McLaren MCL39, which appears to be more stable and predictable under varying race conditions.

“The McLaren has found its balance and also has a margin of safety to make errors in both driving and setup, while Ferrari doesn’t.”

This characteristic makes the SF-25 harder for the drivers to manage, particularly on a track like Suzuka, where aerodynamic balance and stability through corners are critical.

Suspension and Floor: Ferrari’s True Weakness?

Some have speculated that Ferrari’s difficulties may be due to a fragile rear suspension or gearbox, but Segalini has debunked these theories:

“The rear suspension of the Ferrari is not fragile. It’s the same one they’ve been using for years. If there is a weakness, it’s the front, which has been completely redesigned.”

Ferrari has specifically adopted a pull-rod configuration at the front, a choice that could affect the car’s stiffness. Segalini points out that the introduction of the pull-rod system in the 2000s led to greater flexibility at the front end compared to the stiffer push-rod setup.

Setup Errors and FIA Regulations: Ferrari’s Struggles

Beyond technical issues, Ferrari has been hampered by some setup mistakes and a less-than-perfect handling of the new FIA regulations. Segalini highlights how the team has made errors in both the technical and regulatory aspects:

“They made mistakes in both areas, mistakes that are quite unacceptable. The rules are clear, and you can’t blame the Federation if you misinterpret them.”

Is Ferrari Ready for the 2025 Japanese GP?

Segalini’s analysis highlights that Ferrari still needs to find the right balance between technical choices, setup, and regulatory interpretation. Suzuka will be a decisive test: will Ferrari be able to close the gap to McLaren and remain competitive as the 2025 Formula 1 World Championship progresses?

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