The most expensive part of a Formula 1 car is the engine. The engines used in Formula 1 cars are highly specialized and can cost up to $1 million each. Other expensive components of a Formula 1 car include the gearbox, suspension, brakes, and tires.
The cost of running a Formula 1 team is also very high. In addition to the cost of the cars, teams must also pay for travel, accommodation, and other expenses. The total cost of running a Formula 1 team can be as much as $100 million per year.
Despite the high costs, Formula 1 is still a popular and lucrative sport. Formula 1 teams generate revenue from a variety of sources, including sponsorship, prize money, and television rights. The most successful teams can generate hundreds of millions of dollars in revenue each year.