Carlos Sainz had a familiar ex-F1 driver assisting him from inside his Williams garage at pre-season Bahrain testing. Sainz is a high-profile recruit from Ferrari for James Vowles’ team who will form an exciting driver duo with Alex Albon this year.

Williams driver Carlos Sainz has identified the Mercedes power unit as the biggest adjustment he faces following his 2025 move. Having spent four years with Fer

The last few years have been difficult for Williams, whose long-term goals have necessitated short-term sacrifices. It could be a similar story for the team in 2025, which will act as a transitional year before the 2026 regulations.

Williams ambassador Jenson Button has revealed that the team are in the process of “downloading” Carlos Sainz’s knowledge and expertise from his stints at Ferrari and McLaren. It comes just weeks after it emerged that Ferrari have gone to extreme lengths to ‘erase’ Lewis Hamilton’s memory of his time at Mercedes.

Carlos Sainz Jr. will drive for Williams-Mercedes in the 2025 Formula 1 season and eyes 2026 for significant progress. Sainz considers 2025 a transition year, aiming to bridge the gap with top teams and is ready for the challenges while managing expectations.