Red Bull's upgrade package leads the list of technical developments as it looks to address its early handling difficulties at the Japanese Grand Prix.

Ferrari is the only one of the top four teams to bring a new component to the Chinese Grand Prix, while Formula 1 newcomer Cadillac has also introduced upgrades.

Charles Leclerc produced the fastest time of pre-season testing and took Ferrari nearly a second clear of the field on the final day in Bahrain.

Mercedes ended the first pre-season test with the fastest times of the week but Ferrari, McLaren and Red Bull all enjoyed more good mileage in Bahrain.

Ferrari's Charles Leclerc set the pace on the second day of the opening pre-season test in Bahrain, as Mercedes once again struggled for mileage.

Lewis Hamilton says he feels “the winning mentality” within Ferrari and its personnel more than ever after completing a productive week of running with its 2026 car at the Barcelona shakedown.

Mercedes set the fastest times and completed the highest mileage on the third day of the Barcelona Formula 1 shakedown test as McLaren made a strong start to its track running.

George Russell says Mercedes was very pleased with its opening day at the Barcelona shakedown but praised Red Bull’s running with a new power unit to start the 2026 Formula 1 season.All-new power unit and aerodynamic regulations introduced this year meant teams agreed to a five-day private event in Spain...

F1's private shakedown test began in Barcelona on Monday with Red Bull setting the pace.

For some Formula 1 teams, the 2025 season will live long in the memory. For some others, 2026 can't come soon enough. Chris Medland rates the performance of each team in this two part-series.