Regulations

2026 Season Start and Formula 1 Regulation Changes

New cars, power units, active aero and sustainable fuel — what changes from 2026.

The 2026 Formula 1 season is not just a new calendar — it brings a full regulation change: new cars, updated power units, and a new approach to aerodynamics and fuel.

Power units remain 1.6-litre V6 turbo-hybrids but without the MGU-H (turbo-mounted generator). Energy is recovered only via the MGU-K under braking. The split between internal combustion and electric power moves to nearly 50/50 (previously around 80/20). Electric output rises to up to 350 kW (~470 hp), about three times the previous rules. This simplifies the units, makes them more road-relevant and attractive to new manufacturers: Audi, Ford, Honda join, with Mercedes and Ferrari continuing.

2026 cars are smaller, narrower and around 30 kg lighter, with a shorter wheelbase for better agility. Aerodynamics move away from ground effect (2022–2025) to flatter floors and extended diffusers: less downforce, higher ride height. Wings are simplified and rear beam wings removed. The headline change is active aerodynamics: wing angles change on straights for less drag and in corners for more downforce. Instead of traditional DRS, an "overtake mode" gives extra electric energy when a driver is within one second of the car ahead.

From 2026 only fully sustainable, carbon-neutral fuel (from waste biomass or synthetic sources) is used. Tyres are narrower 18-inch Pirellis. Together, this makes F1 more technological and sustainable while keeping speed and racing close.