4 reasons which forced Carlos Sainz to choose Williams over Audi or Alpine

Carlos Sainz’s decision to join Williams over Audi or Alpine has been a significant moment in the 2025 Formula 1 driver market. While it may seem surprising at first glance, several key factors influenced Sainz's choice.

Here are four primary reasons why Sainz opted for Williams:

1. Rift in Audi’s Leadership

Carlos Sainz was initially a long-term target for Audi, but the team faced significant internal challenges that ultimately discouraged him. The leadership instability within Audi, particularly the management disagreements between Andreas Seidl and Oliver Hoffmann, created an uncertain environment.

Even with Mattia Binotto stepping in to lead Audi's F1 project, the damage had already been done. Sainz's faith in the project waned as he realized the fundamentals of Audi's approach remained unchanged, leaving him sceptical about the team's future stability and success.

2. Lack of Clarity and Long-Term Planning at Audi and Alpine

Both Audi and Alpine lacked a clear and solid foundation for the future, which played a critical role in Sainz's decision. Williams, on the other hand, presented a clear vision and a stable foundation that the other teams could not match.

The uncertainty surrounding Audi's transition into F1 and Alpine's inconsistent long-term planning made them less attractive options. Sainz needed a team with a clear direction, and Williams provided the assurance and clarity he sought in his next career move at least for the short term.

3. Mercedes Engine Deal with Williams

The engine deal between Williams and Mercedes was another significant factor in Sainz’s decision. Williams secured a reliable and competitive power unit, ensuring a more stable and predictable performance on the track.

In contrast, Alpine faced uncertainty regarding its engine deal, leaving questions about the team’s competitiveness. Sainz, aware of the importance of a strong engine partnership in F1 success, saw the Mercedes-powered Williams as a more promising platform for his future endeavours.

4. Best Compromise for Sainz’s Career

Given the limited options available, Williams emerged as the best compromise for Sainz’s career at this stage. While the team has struggled in recent years, it presented the most viable option among the worst-performing teams in 2024.

Sainz saw Williams as a strategic move that allowed him to stay competitive while keeping his options open for the future. With the potential for a top seat to open up in 2027, Williams provided the flexibility Sainz needed to react to future opportunities, making it the most logical choice under the circumstances.