Formula 1 · Technical rules 2027
Car dimensions, active wings, power units, components and safety.
Rules
General principles
Technical compliance, responsibility and new designs.
Dimensions and reference volumes
How the car is measured and its permitted envelope.
Aerodynamics and active wings
Bodywork geometry, wing modes and legality checks.
Mass and ballast
Minimum mass, driver ballast and heat adjustments.
Power unit and energy
Combustion engine, electrical limits and safety.
Fuel system and sampling
Safe storage, no race refuelling and fuel checks.
Oil and cooling
Where oil may be carried and how cooling systems are constructed.
Electrical systems
FIA-controlled electronics, telemetry and equipment supporting driver safety.
Transmission
Rear-wheel drive, manual shift requests and restrictions on driver aids.
Suspension, steering, wheels and tyres
Passive suspension, front-wheel steering and controlled tyre preparation.
Brakes
Separate hydraulic circuits, disc dimensions and limits on electronic assistance.
Survival cell and cockpit
The driver’s protective structure, rollover protection and rapid escape.
Safety structures and homologation
Crash tests and load tests establish the required structural protection.
Safety equipment
Protection includes fire suppression, restraints, lights and driver cooling.
Materials
Permitted materials and construction methods depend on the component.
Fuel and engine oil
Fuel sustainability, prior approval and sample testing are regulated.
Component classification
Classification determines who may design, supply and share components.
Power unit component classification
Power unit manufacturers follow their own component categories.