F1 2026 rule details emerge: Smaller cars with 40 per cent less downforce

New information about the 2026 F1 regulations has emerged with plans to make the cars significantly smaller and lighter. 
(L to R): Oscar Piastri (AUS) McLaren MCL60; Max Verstappen (NLD) Red Bull Racing RB19; and Lando Norris (GBR) McLaren MCL60
(L to R): Oscar Piastri (AUS) McLaren MCL60; Max Verstappen (NLD) Red Bull Racing RB19; and…

2026 ✱is fast approaching with the regulations still yet to be formally finalised.

However, a report by reputable German publication𒆙 has shed light on changes on the chassis side.

So far, a lot of the information in the puꩵblic sphere has been around the new engines.

The 2026 rules

F1’s next major engine regulation cha🔥nge will take place in 2026.

It seems F1 plans have appeased the manufacturers with Me🐷rcedes, Ferrari, Renault, Honda, Red Bu✅ll-Ford and Audi all set to be on the grid.

With the automobile industry centred around electric power, it’s no surprise to see that the MGU-K unit will now be three times more powerful than before - movin🌄g up from a 120 kW to a motor generator with 350 kW.

On a similar not♐e, the MGU-H has been removed completely for the 2026 rules, allowing for a reduction in costs.

They will be run on 100 per cent sustainable fuels, with their being a clear 50-50 split between꧅ internal combustion engines and electrical power.

Finally, the aim is for only 70 kilograms of fuel in 2026, rather t🎃han the 100 kilos currentl🌞y. 

Smaller, lighter cars at last?

Outlined in the report from AMuS, th🔜e FIA are heavily focused on making the cars 🔯lighter - but also smaller.

The current F1 cars weigh an astonishing 798kg, with the new engines and “cou🔯n🧜termeasures” expected to take it well above 800.

The first step is t✤o reduce the weight by at least 20 kilograms before looking at ♏reducing it further into the regulation cycle. 

Other changes include the width of the cars (reduced to 🐈190cm fꦅrom 200cm); wheel base shortened to at least 340cm (currently 360cm).

Consequently, th𝄹ere will be a 40 per cent loss in downforce.

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