In Formula 1, even before facing external rivals, there is one comparison that carries more weight than any other: the battle against your own teammate. He is the most direct reference point, the only driver with access to the same car, the same technical tools and, at least on paper, identical opportunities. For this reason, the internal duel within a team has always been considered the most reliable benchmark for judging a driver’s true level.
This ten-part series has been created with the aim of analysing the internal battles within each Formula 1 team during the 2025 season, starting from a simple but decisive assumption: when the machinery is equal, differences emerge without filters. Qualifying after qualifying, race after race, the stopwatch reveals who managed to extract the most from the available package and who struggled to keep pace.
The analysis takes into account single-lap performance, race execution, consistency of results and final championship position. Together, these elements offer a complete picture of the balance of power within each team. It is not only about numbers, but also about technical, psychological and strategic dynamics that often shape team decisions in the medium and long term.
The first chapter focuses on Mercedes, opening a journey that will compare the drivers of every team on the 2025 grid. Because in Formula 1, more than anywhere else, the first rival is always the one in the neighbouring garage.
Mercedes teammate battle 2025
At Mercedes, a team searching for renewed confidence, the most compelling battle of the 2025 season did not come from external competition, but from within the garage. George Russell and Andrea Kimi Antonelli shared data, strategies and pressure, turning the year into a quiet yet highly revealing internal contest. On one side stood the maturity of a driver who delivered his strongest season in Formula 1 to date; on the other, the rapid growth of a rookie who displayed talent, speed and vast room for further development.
Russell vs Antonelli: the numbers do not tell the whole story
The W16 provided both drivers with a car capable of significant performance peaks, but the real point of interest lay in the internal comparison. On paper, the numbers appear decisive: in qualifying, George Russell came out on top 21 times out of 24, finishing the season with 319 points compared to Andrea Kimi Antonelli’s 150. However, behind these figures lies a more nuanced story.
In his debut season at the highest level, Kimi Antonelli showed flashes of pure talent. He set a fastest lap in a race, claimed a second-place finish that delivered his first career podium, and demonstrated a capacity for adaptation that improved steadily throughout the year.
What about race pace?
The comparison in race pace highlights a clear gap, with George Russell able to maintain a more stable and competitive rhythm, particularly over long runs, where he averaged a 0.345-second advantage. Even so, the weekends in which Andrea Kimi Antonelli managed to outpace his teammate reveal a great deal about his progression.
At Suzuka and in Mexico City, the young Italian delivered surprisingly competitive pace, making better use of track evolution and cleaner tyre management. This allowed him to produce faster stints and, in Mexico, even finish ahead of George Russell. In Canada as well, despite not overturning the overall balance, Kimi Antonelli experienced phases of the race where his pace was superior, a sign that his raw speed was already approaching the team’s established reference.
These moments do not alter the internal hierarchy, but they show that the gap is not linear. George Russell remains the more consistent performer, yet Andrea Kimi Antonelli has already demonstrated peaks worthy of a top-level driver. With experience and continuity, the difference could narrow significantly, opening the door to a genuinely intense internal battle in the future.
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