From Ars Technica · · 3m
F1 plans radical engine overhaul for 2030
Formula 1 is ditching its struggling hybrid V6s for bigger, simpler V8 turbos with minimal electric assist.
In brief
Formula 1 is ditching its struggling hybrid V6s for bigger, simpler V8 turbos with minimal electric assist. F1's current hybrid power units are underpowered and unreliable, so the sport is planning a major redesign by 2030 that swaps the small V6 for a larger V8 with a much smaller electric motor. Originally reported…
F1 already rethinking 2026 rules
Formula 1 introduced bold new hybrid regulations this year but they're already proving too ambitious. The sport is now planning a major overhaul for 2030, just four years away.
The 2026 hybrid problem explained
Current F1 cars have a 1.6-liter V6 turbo paired with a small electric motor, but the 4-megajoule battery only powers the motor for 11 or 12 seconds per lap. A lap takes over a minute.
Brake zones can't recharge enough
Even with regenerative braking, many classic F1 tracks lack enough brake zones to recharge the battery for a full lap. Adding a front motor was blocked by existing manufacturers fearing Audi's all-wheel drive expertise.
Power output swings wildly
F1 cars swing between 1,005 horsepower and 536 horsepower depending on battery state, with complex algorithms controlling deployment. Drivers have experienced unexpected torque spikes causing crashes.
2027 brings more tweaks and shorter races
Next year the V6 gets more power but needs more fuel. Rather than redesign cars for bigger tanks, F1 approved shortening races from 190 miles to 180 miles to manage fuel consumption.
V8 turbos replace V6s by 2030
F1 stakeholders have agreed to swap the 1.6-liter V6 turbo for a 3.0-liter V8 turbo starting in 2030 or 2031. Naturally aspirated engines were ruled out due to noise restrictions on street circuits.
Hybrid system gets drastically smaller
The new V8 will keep a hybrid system but drastically downsized, with just 100 kilowatts of electric assist instead of the current 350 kilowatts. This maintains road relevance while simplifying the power unit.
Cars will get significantly lighter
The new power units should be at least 50 kilograms lighter than current units, reversing two decades of weight creep. F1 cars ballooned from 605 kilograms in 2006 to 800 kilograms by 2025.
In-race boost still being debated
F1 is considering a limited-use power boost similar to IndyCar's push-to-pass system, giving drivers 200 seconds of extra power per race at their discretion, instead of the old drag reduction system.
2030 or 2031 timeline still uncertain
The sport wants change sooner, but engine makers like Cadillac argue for 2031 to avoid writing off current power units prematurely. Cadillac isn't even introducing its V6 until 2029.
The main idea
F1's current hybrid power units are underpowered and unreliable, so the sport is planning a major redesign by 2030 that swaps the small V6 for a larger V8 with a much smaller electric motor.
