Mercedes has expressed support for a potential return to V8 engines in Formula 1, marking a significant shift in the manufacturer’s position on future power unit regulations.
The statement comes as the sport prepares for the introduction of new hybrid power units in 2026, which will feature roughly 50 percent electrical power output. The timing of Mercedes’ backing for V8s suggests the manufacturer is looking beyond the next regulatory cycle toward the post-2030 era.
A Step Back From Hybrid Complexity
Formula 1 has run V6 turbo-hybrid engines since 2014, a configuration that brought unprecedented thermal efficiency but also significant cost and complexity. Mercedes dominated the early years of the hybrid era, winning eight consecutive constructors’ championships from 2014 to 2021.
A return to V8 engines would represent a fundamental pivot away from the current hybrid philosophy. F1 last used V8s in 2013, when the 2.4-litre naturally aspirated units were replaced by the current 1.6-litre V6 turbo-hybrids.
What Comes Next
The FIA and Formula 1 have not yet opened formal discussions on power unit regulations beyond 2030. Any move toward V8s would require consensus among manufacturers, the governing body, and commercial rights holder Formula One Management.
With Audi and Cadillac both entering the sport in 2026 as power unit manufacturers, the composition of the negotiating table has changed significantly. Both new entrants have committed to the 2026 hybrid regulations, and any post-2030 shift would need to align with their long-term investment strategies.
Mercedes’ support adds a major manufacturer voice to the debate, though the specifics of what a V8 return would look like—including displacement, configuration, and whether any hybrid elements would remain—are yet to be defined.