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Home » Ferrari’s 2026 SF-26 development reveals the key weakness it must fix for 2027

Ferrari’s 2026 SF-26 development reveals the key weakness it must fix for 2027

Ferrari SF-26, power unit, engine, rear wing, 2026 F1

Ferrari’s 2026 Formula 1 season will, when all is said and done, be remembered as a major missed opportunity. It has been many years since the Scuderia approached a technical project with such aggression and introduced so many innovative solutions capable of attracting attention throughout the paddock, yet the results so far amount to zero pole positions and only two victories. In a season in which Ferrari was expected to challenge for at least one of the two World Championships, those numbers clearly fall short of the targets set for Frédéric Vasseur’s team.

That does not mean everything should be discarded. The SF-26 should instead be viewed as the first genuine step in a project that deserves time and confidence. However, Ferrari must continue receiving encouraging answers from its technical direction if the programme is to avoid collapsing under the weight of its own expectations.

Ferrari SF-26 chassis and aerodynamics remain a benchmark, but rivals are closing in

Throughout the season, the view at Maranello has been that Ferrari produced a chassis and aerodynamic platform capable of being considered one of the benchmarks on the Formula 1 grid. That assessment has also been reinforced by comments from rivals such as Andrea Stella and Toto Wolff, who have repeatedly highlighted the work carried out by Loïc Serra, Diego Tondi, Franck Sanchez and their respective groups. The evolution of the car can be followed in greater depth through ScuderiaFans’ Ferrari technical analysis coverage.

That underlying strength has not disappeared. The SF-26 is now capable of compensating for a power deficit of just under 20 horsepower, although in Madrid the gap affecting Charles Leclerc was still estimated at around 35 horsepower. Despite that disadvantage, Charles Leclerc and Ferrari remained in contention for the top five both in qualifying and during the race.

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Lewis Hamilton’s situation was different. The seven-time World Champion had demonstrated the advantage that the ADUO 2 specification could provide, but he was unable to convert that potential into a strong result on Saturday before retiring almost immediately in the race.

The negative aspect for Ferrari is that an advantage in chassis and aerodynamic performance can be reduced, or even completely neutralised, through an intense and effective development programme. McLaren introduced a substantial package which, through both weight reduction and additional downforce, brought the MCL40 considerably closer to the SF-26 and even moved it ahead in certain areas.

Mercedes is expected to follow the same path with developments scheduled to arrive in Malaysia, followed by a power-unit update not long afterwards. The evolution of the Mercedes W17 development programme therefore remains another important element of the technical battle at the front.

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Ferrari is still working on one final substantial upgrade package, which is very likely to appear in Austin, although the main technical focus is now naturally shifting towards the 2027 project. The continuity between the two cars also explains why Ferrari believes developing the SF-26 can still help its 2027 Formula 1 car.

The fact that Ferrari’s rivals are closing the gap on the chassis side should therefore come as no surprise. Neither should the continuing difficulties created by the SF-26’s significant horsepower deficit, particularly against Mercedes. McLaren has also improved its use of the power unit, while Red Bull fortunately for Ferrari still has several issues of its own on the car side. The changing competitive picture can also be explored through the Ferrari vs F1 Rivals statistics.

The power unit remains the burden holding the Ferrari SF-26 back

At no point during the season did Ferrari believe it would be able to completely recover its deficit to Mercedes by exploiting the possibilities provided by the ADUO development system. It has become clear that the work completed over the winter and during the preceding years ultimately proved to be a major failure, but that failure also produced significant consequences inside Maranello.

Two highly regarded figures, Wolf Zimmermann and Lars Schmidt, left Ferrari to join Audi after being recruited by Mattia Binotto. In the end, the departures took place without excessive difficulty or major media drama, although disagreements had emerged with Enrico Gualtieri, the head of Ferrari’s power-unit department, who subsequently assumed greater control of the situation.

The 2026 engine therefore became something close to an emergency project: a power unit designed to ensure Ferrari could enter this championship with an engine capable of properly powering the car, rather than a concept in which the team ultimately placed its long-term confidence. That is also why Ferrari’s engine for next season is expected to be an entirely new specification.

The SF-26 cannot become a truly winning project simply because it started the season too far behind on the power-unit side. Ferrari’s two ADUO development opportunities were intended to partially rescue the 2026 campaign and give the team a chance of winning at circuits where the SF-26’s downforce, vehicle dynamics and other positive characteristics could bring it into contention.

The horsepower deficit remains particularly costly when qualifying margins are so small. Starting Charles Leclerc or Lewis Hamilton behind their direct rivals is a significant sword of Damocles in a Formula 1 field where lap times are exceptionally close. Straight-line performance across the grid can be examined further through the ScuderiaFans F1 Top Speed Comparison.

Ferrari faces a crucial 2027 challenge it cannot afford to get wrong

Every technical project needs time, and the work carried out under Frédéric Vasseur is beginning to show some of its results. Focusing purely on the technical side – because Ferrari has also shown that it is not yet entirely ready to manage certain levels of pressure as a team – the chassis and aerodynamic departments have made enormous progress and undergone a radical change in approach.

That evolution has been possible partly because of the stability Frédéric Vasseur has tried to provide and partly because several new arrivals are now beginning to contribute directly to Ferrari’s projects. Loïc Serra and Franck Sanchez are the most prominent examples, alongside other less high-profile figures who have strengthened the organisation.

The same process is now taking place within the power-unit department. The 2026 project proved to be a major disappointment and led to several significant departures. Enrico Gualtieri is now the sole head of the department, overseeing a working group that has itself been renewed.

Many of the new recruits have come from Renault’s former engine division, appointments again promoted by Frédéric Vasseur as Ferrari increasingly develops an Italian-French technical identity. They are deliberate choices and form part of the Scuderia that Vasseur is gradually building around his own organisational philosophy.

Progress has been visible in several areas during 2026 and deserves to be acknowledged. On the power-unit side, however, the first genuine examination of the new structure will arrive next year, when Ferrari introduces a project emerging from the ashes of what the 2026 engine failed to become.

It has often been said that the SF-26 is the first true Ferrari produced by the Vasseur-Serra partnership. The next step must be an engine capable of matching that technical ambition. Frédéric Vasseur has made his choices, Enrico Gualtieri remains in command of the power-unit department and the mission is clear: Ferrari must build an engine capable of competing at the highest level while maintaining its chassis and aerodynamic strengths despite the associated regulatory changes.

At the same time, Ferrari must improve as a team in terms of execution. If Maranello can combine those gains with a competitive power unit and preserve the strengths already demonstrated by the SF-26 platform, then a World Championship challenge would become the consequence of getting those fundamental elements right.

https://youtu.be/7_QfJxO30D4
Sep 19, 2026Luca Marini
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Luca Marini

Luca Marini is a ScuderiaFans editorial byline covering Ferrari’s technical developments, car upgrades and Formula 1 regulations. His articles explain how these changes may influence performance on track.

21 days ago Ferrari Technical Analysis, News2026 Formula 1 season, 2027 Formula 1 season, Ferrari SF-260
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