FIA Specifications for 2026 Cars: Smaller, Lighter, More Efficient

The start of the 2026 Formula 1 season is approaching, with new technical regulations and changes to power units, car specifications, weight, and aerodynamics.


‣ Start of the 2026 Formula 1 season is fast approaching
‣ Technical regulations for the 2026 season are undergoing significant changes
‣ Formula 1 cars are becoming smaller, lighter, and more efficient
‣ The weight of the car is planned to be reduced by around 25 to 30 kilos

The start of the 2026 Formula 1 season is on the horizon and significant changes are anticipated. New technical regulations and modifications to the power units are set to take effect. “Smaller, lighter and more efficient” are the key words being used to describe the impending changes. According to Motorsport Aktuell, the FIA has already disclosed a portion of the anticipated changes during the study known as Fangio 5.3.

The study outlines that cars will be reduced in width to 190 centimetres from 200 centimetres, along with a decrease in wheelbase from 360 to 340 centimetres. Other changes include smaller 16-inch tires and a reduction of overall car weight by 25 to 30 kilos. Additionally, adjustments to aerodynamics are being contemplated, including the potential flattening of the Beam Wing and diffuser, and larger wings covering the tires. These changes are intended to make overtaking easier, with the hope of increasing competition on the track.

While several details of the impending changes have been made available, there are still many aspects yet to be decided. It is expected that the changes will have an impact on the competitiveness of each team, ensuring that the 2026 Formula 1 season will offer fans an exciting and unpredictable spectacle on the track.

Albert Ramirez
Albert Ramirez
Albert Ramirez is a senior writer at With a passion for motorsports, Albert brings a unique perspective to the world of Formula One. With over five years of experience as a sports reporter, he has honed his skills in capturing the essence of the sport.

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