Ferrari’s latest power unit upgrade has generated considerable excitement among Formula 1 fans and paddock insiders alike. With the FIA approving the team’s ADUO update, expectations have naturally risen over how much additional performance the SF-26 could unlock. But how significant will the gains actually be? Comments from Ferrari Head of Power Unit Enrico Gualtieri, together with our technical analysis, help separate expectation from reality while explaining the true contribution of the new engine and why fans should not expect an overnight transformation.
How much performance will Ferrari really gain from the new engine?
The approval of the ADUO allows Ferrari to introduce an upgrade to its power unit, but describing it as a revolution would be misleading. The development philosophy behind modern Formula 1 hybrid power units is based on extremely long engineering cycles, with every modification undergoing extensive validation not only for performance but, above all, for reliability.
As Enrico Gualtieri has explained, it is unrealistic to believe that a single update could dramatically alter the competitive order. The complexity of today’s hybrid power units makes radical in-season changes virtually impossible, with every improvement instead forming part of a continuous and carefully planned development programme.
Ferrari’s updated engine is therefore expected to deliver a modest but meaningful increase in performance. Rather than producing dozens of additional horsepower, the package should provide an overall refinement that translates into small but measurable gains throughout the lap.
Why the new engine will not change the SF-26’s setup
One of the most interesting aspects of the update concerns its influence on the behaviour of the SF-26.
According to the technical analysis presented by Riccardo Romanelli, the performance increase delivered by the upgraded power unit will be too limited to alter the car’s overall dynamic balance. Any additional power or changes to the engine’s delivery characteristics should not force Ferrari to restart its setup work from scratch.
This means that the progress achieved over the past few Grands Prix—which has resulted in a far more stable and predictable car—should remain fully intact once the new engine is introduced.
Ferrari’s technical direction is therefore expected to remain consistent with the development path established over recent weeks, without compromising the balance that has allowed Lewis Hamilton, in particular, to feel increasingly comfortable behind the wheel.
The real strength comes from combining every upgrade
One of the most common mistakes is to evaluate the engine as an isolated component.
In modern Formula 1, performance is created by combining dozens of incremental improvements across multiple areas of the car, including aerodynamics, suspension, tyre management, power unit software, operational strategies and the team’s overall understanding of the chassis.
The aerodynamic upgrades introduced over recent races have already enabled Ferrari to improve both the downforce and efficiency of the SF-26. The power unit update is not intended to replace those gains but rather to complement them, further increasing the car’s overall performance potential.
In other words, the new engine represents one piece of a much larger puzzle, with every individual improvement helping Ferrari continue closing the gap to its main rivals.
Better performance, but no miracles
The ADUO gives Ferrari an opportunity to recover some ground in terms of power unit performance, but it would be unrealistic to expect an immediate shift in the competitive hierarchy.
Any advantage is likely to come in the form of small performance improvements spread across the entire lap rather than through a dramatic leap in outright competitiveness. That is precisely the philosophy behind modern Formula 1 development: accumulating a series of gradual improvements, each seemingly modest on its own but collectively capable of transforming a car into a much stronger package over the course of a season.
Ferrari’s latest power unit upgrade should therefore be viewed as an important technical evolution rather than a revolution. The new engine is expected to provide a modest performance boost without affecting the carefully refined setup of the SF-26, while integrating seamlessly with the aerodynamic developments introduced in recent races. If Ferrari continues refining the package along the same path, the team should be able to reduce the gap to its rivals even further. However, any major leap in competitiveness will ultimately come from the cumulative effect of many small improvements rather than from a single component alone.
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