In short, it's because of a complete overhaul of the power unit, chassis and aerodynamic regulations for 2026. Such a big change, especially on the engine side, means teams need a couple of extra tests to get their heads around how to operate the new cars before the first race. It was the same last time we had a major power unit shake-up in 2014.
Adrian Newey, regarded as one of the best engineers in Formula One history, will become Aston Martin team principal next season. Newey committed his long-term future to Aston Martin in September 2024 after his departure from Red Bull sparked a bidding war for the Brtion's services. Pressure has built on current team principal and chief executive, Andy Cowell, amid a disappointing season and reported disagreements with Newey, the team's managing technical partner.