A comparison between Oliver Bearman and Esteban Ocon at Monza has offered an unusually useful indication of the progress made by the Ferrari ADUO 2 engine upgrade. According to the data analysis, the two Haas cars ran different Ferrari power unit specifications, allowing some of the effects of Maranello’s latest development to be observed directly on track.
Oliver Bearman used the updated Ferrari engine, while Esteban Ocon remained on the previous specification. That difference created a particularly valuable comparison for assessing the performance changes between the two versions, although aerodynamic set-up and electrical deployment also have to be considered when interpreting the data.
Bearman-Ocon comparison reveals Ferrari ADUO 2 progress
The analysis focuses on the speeds recorded by the two Haas cars through different sections of the Monza circuit. During the opening part of the lap, Oliver Bearman and Esteban Ocon showed very similar performance.
The more significant difference appeared on the straight following the Ascari chicane, where Oliver Bearman was able to reach a higher speed than his team-mate. The observed advantage was approximately 5-6 km/h in that section of the circuit.
The comparison adds another useful reference to the Ferrari ADUO 2 data gathered during the Monza weekend, where the Temple of Speed placed an unusually strong emphasis on power unit performance and energy management.
Why the straight after Ascari is particularly revealing
The section after Ascari is considered especially useful for evaluating the work carried out on Ferrari’s power unit. Oliver Bearman maintained stronger acceleration along the straight, while Esteban Ocon reached the same part of the circuit at a lower speed.
This behaviour suggests that the improvement may be concentrated in the delivery of power and the management of the available energy. Those areas are particularly important at Monza, where prolonged acceleration makes the effectiveness of both the internal combustion engine and the hybrid system easier to observe.
Ferrari’s latest specification has included broader work aimed at improving power unit efficiency, including development around the ADUO 2 turbo and compressor configuration.
Ferrari ADUO 2 gain is not simply about top speed
The analysis does not rely solely on maximum speed figures. Oliver Bearman also appeared to maintain slightly greater cornering speed through the Lesmo corners and Ascari, while Esteban Ocon recovered part of the difference only on corner exit.
That is important because it means the comparison cannot be reduced entirely to the power unit. Aerodynamic set-up and the deployment strategy of the electrical side of the hybrid system also influence the speeds seen at different points around the lap.
Monza demonstrated how closely these elements are connected. Ferrari’s own race performance also highlighted the importance of electrical deployment, with the SF-26 using different energy deployment strategies as the team tried to balance top speed and available electrical energy around the circuit.
How much performance did Ferrari gain with ADUO 2?
Using the speed difference between Oliver Bearman and Esteban Ocon as a starting point, we have identified a technical estimate of the improvement delivered by the new specification.
With the necessary simplifications applied, the difference observed between the two Haas cars would correspond to a recovery of just under 10 kW in the overall performance of the power unit.
The figure is an estimate derived exclusively from the telemetry data analysis and is intended to quantify the possible step forward provided by Ferrari’s new engine specification. It should therefore be considered within the wider context of car set-up, electrical deployment and circuit conditions rather than as an isolated measurement of engine output.
That distinction is also central to understanding why Ferrari’s Monza power unit development involved more than outright horsepower.
ADUO 2 is a step forward, but Mercedes gap remains
The conclusion remains cautious. The comparison between the two Haas cars points towards an improvement in Ferrari’s power unit, but it does not demonstrate that Maranello has closed the gap to Mercedes.
Monza is particularly sensitive to engine power and energy management, making it one of the clearest circuits on which to expose differences between power units. The Italian Grand Prix therefore showed both sides of the situation: Ferrari has made progress with ADUO 2, but further work is still required to improve the overall efficiency of the hybrid system.
Based on what emerged from the data, ADUO 2 represents a concrete evolution of the Ferrari power unit rather than merely a theoretical upgrade. The Bearman-Ocon comparison provides an early indication of its potential, while its true value will become clearer as more data is collected during the remaining rounds of the championship and assessed alongside Ferrari’s wider technical development programme.
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