Ferrari is preparing its second 2026 engine upgrade for the Italian Grand Prix at Monza, with the latest development aimed directly at two areas that have limited the SF-26 against Mercedes: energy efficiency and straight-line acceleration. Lewis Hamilton and Charles Leclerc will have to wait until Ferrari’s home race to receive the new specification, as the Scuderia has deliberately decided not to introduce it immediately after the Formula 1 summer break.
The timing makes Monza a particularly important point in Ferrari’s championship campaign. Hamilton enters the break as Kimi Antonelli’s closest rival in the Drivers’ Championship, while Leclerc remains firmly involved in Ferrari’s attempts to close the gap to Mercedes. The Maranello team has made significant progress since the opening part of the new regulatory era, but Frédéric Vasseur has already made clear in his Ferrari 2026 mid-season assessment that the gains achieved so far are not sufficient.
Ferrari Monza engine upgrade targets SF-26 efficiency and acceleration
Ferrari began the 2026 season with a power unit disadvantage compared with its leading rivals. The FIA subsequently determined that Ferrari’s internal combustion engine was at least four per cent behind Red Bull’s design, a deficit large enough to give the Italian manufacturer access to two engine development upgrades under the regulations.
The first of those steps arrived at the Austrian Grand Prix, where Ferrari introduced an updated engine specification at the Red Bull Ring. The second is now being prepared for Monza, with the team continuing reliability work ahead of its planned Monza power unit upgrade.
A key part of the new specification is expected to be a modified turbocharger. Ferrari intends to add more blades as it changes a smaller turbo concept that is no longer delivering the advantage the team had sought, particularly in relation to race starts. The objective is to extract more power and reduce the deficit that remains against Mercedes.
Formula1.it has also reported that unnamed sources close to Ferrari are confident the changes will improve the overall efficiency of the power unit while delivering better acceleration. Those two characteristics have emerged as major limitations not only of the engine package but of the SF-26 as a whole during the first half of the campaign.
Ferrari therefore views the upcoming specification as an opportunity to address one of the car’s most persistent weaknesses rather than simply adding outright power. Improving the way the entire system uses its available energy while providing stronger acceleration could become an important part of the team’s effort to challenge Mercedes more consistently during the remaining races.
Why Ferrari is waiting until Monza instead of Zandvoort
Despite having the new development in preparation, Ferrari has chosen not to introduce it at the Dutch Grand Prix, the first event after the summer shutdown. Lewis Hamilton and Charles Leclerc will instead continue at Zandvoort with the specification first used in Austria.
The decision is partly connected to power unit management. Ferrari wants to spread the mileage across its available components rather than immediately committing the newest specification to another full race weekend. The 2026 Dutch Grand Prix at Zandvoort will therefore serve as another weekend for the existing package before the latest development arrives one round later.
Ferrari has also been taking a carefully controlled approach to SF-26 development throughout the season rather than committing every available update at once. Charles Leclerc has nevertheless stressed the importance of remaining aggressive in the development battle, with Ferrari’s 2026 upgrade strategy facing an important phase as the championship moves beyond the summer break.
Ferrari plans to protect latest power unit for key races
The Monza introduction also creates a longer-term reliability challenge. The new internal combustion engine and turbo will be the final components of those types available to Hamilton and Leclerc within Ferrari’s planned allocation for the season, meaning any need for additional elements later in the campaign could expose either driver to grid penalties.
Ferrari is already shaping its race-by-race power unit strategy around that concern. One part of the plan is to return both drivers to an older specification at the Singapore Grand Prix in round 17, where the Marina Bay circuit places less emphasis on outright power.
By using an older unit in Singapore, the Scuderia hopes to preserve mileage on the upgraded package for weekends when its additional performance will be more valuable. Keeping the newest engine in the best possible condition could be particularly important if Ferrari remains in championship contention with Mercedes deep into the second half of the year.
Lewis Hamilton’s title position increases pressure on Monza upgrade
The competitive stakes are significant. Kimi Antonelli reached the summer break leading the Drivers’ Championship after 11 of the season’s 23 rounds, with Lewis Hamilton 50 points behind the 19-year-old Mercedes driver. George Russell sits between the two Ferrari drivers in third, 59 points behind his Mercedes teammate, while Charles Leclerc is fourth and 81 points away from Antonelli.
That leaves Hamilton as Ferrari’s strongest championship challenger heading into the second half of the season. The Briton has already surrendered potentially valuable points during the opening 11 rounds, making the remaining opportunities particularly important as Ferrari attempts to reduce Antonelli’s advantage. A closer look at the points Hamilton has missed during Ferrari’s 2026 title campaign highlights how small setbacks could become increasingly significant as the season develops.
For Leclerc, the deficit is larger, but Ferrari’s continued development means the Monegasque remains an important factor in both the Drivers’ and Constructors’ Championship battles. A stronger and more efficient SF-26 would also give the Scuderia greater scope to put both cars into the fight with Mercedes rather than relying on one driver to challenge Antonelli.
Kimi Antonelli’s engine situation could give Ferrari another Monza opportunity
Mercedes could face its own complication at the Italian Grand Prix. The team is considering another engine change for Kimi Antonelli at Monza, a move that would take the championship leader beyond his permitted allocation and trigger a grid penalty.
Reliability problems have already forced Mercedes to install a fourth internal combustion engine in Antonelli’s W17, along with a third energy store and third set of control electronics. Another change would therefore carry sporting consequences at a race where Ferrari is simultaneously planning to introduce its latest performance upgrade.
That combination could make Monza one of the most consequential weekends of Ferrari’s season. The Scuderia is hoping its final engine development step can improve the SF-26 in precisely the areas that have restricted Hamilton and Leclerc so far, while a potential penalty for Antonelli could create an additional opportunity to reduce the championship leader’s advantage.
Ferrari’s immediate task, however, remains the Dutch Grand Prix. Hamilton and Leclerc must first extract another competitive weekend from the Austria-specification power unit before the team unveils the package it hopes can strengthen its challenge to Mercedes at its home race.
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