F1 Regulation Changes

How each regulation era reshaped the sport, from banned driver aids in 1994 to active aero in 2026.

2026 Regulations

The Electric Revolution

The MGU-K nearly triples in output to 350kW, making electric power responsible for roughly half the car's total drive. The MGU-H is dropped entirely: a deliberate move to lower the barrier to entry for new manufacturers like Audi, Ford (via Red Bull Powertrains), and potentially Cadillac. DRS is gone, replaced by active aerodynamic elements on both the front and rear wings (FIA X-mode and Z-mode), giving drivers push-to-pass at any point on track rather than in fixed zones. Cars shed 30 kg and run on fully sustainable fuel from race one.

Typical Engine

Configuration

Capacity

1.6L

Aspiration

Turbo-Hybrid (no MGU-H)

Power

~1000 hp (50% electric)

Mercedes AMG F1 M17Ferrari 067Red Bull Ford DM01Honda RA626HAudi AFR 26

What Changed

MGU-K Output

Before

120kW

After

350kW (~3x increase)

Hybrid System

Before

MGU-K + MGU-H

After

MGU-K only (MGU-H removed)

Power Split

Before

~70% ICE / 30% electric

After

~50% ICE / 50% electric

Overtaking Aid

Before

DRS (rear wing only, fixed zones)

After

Active aero X-mode/Z-mode (front + rear, driver-controlled)

Minimum Weight

Before

798 kg

After

768 kg (−30 kg)

Fuel

Before

E10 blend (10% sustainable)

After

100% sustainable fuel

Car Width

Before

2,000 mm

After

Narrower overall width

Front Wing

Before

Complex multi-element

After

Simplified fewer elements

Over-wheel Winglets

Before

Present

After

Removed

PU Cost Cap

Before

None

After

Introduced for the first time

New Manufacturers

Before

—

After

Audi (confirmed), Ford via RBPT, Cadillac (pending)

Impact on Racing

Lap times will likely be slower initially: the 2022 reset saw a similar dip before teams clawed it back within two seasons
Active aero should let drivers fight through dirty air without waiting for a DRS zone, changing how battles unfold mid-corner
Energy management becomes a genuine strategic lever: harvesting under braking, deploying on straights, and managing state-of-charge over a stint
Dropping the MGU-H simplifies the power unit architecture, which is the whole point of attracting new OEMs
New engine manufacturers on the grid for the first time since 2014: the competitive order is genuinely unpredictable