Max Verstappen has renewed his threat to quit Formula 1 at the end of 2026 if power-unit regulations don't change. The Red Bull driver, who first aired concerns after the Japanese Grand Prix, expressed frustration with energy management rules that create unnatural racing. His concerns resurfaced despite earlier optimism following proposed tweaks to regulations.

The proposed 2027 changes would shift power units from a 50-50 split to 60% internal combustion and 40% electrical power. However, only Mercedes and Red Bull support the changes, while Audi, Ferrari, and Cadillac oppose them. Honda remains undecided, leaving the proposal short of the four-manufacturer majority needed to pass.

Ferrari specifically opposes changes as they would lose their ADUO catch-up mechanism advantage. Any changes need confirmation by end of June to allow teams time to adapt. With Verstappen showing genuine frustration about racing quality, his F1 future may depend on engine manufacturers reaching consensus.