The 2026 Formula One season is defined by the most sweeping regulation changes since 2014. New power unit regulations remove the MGU-H and substantially increase the electrical output of the MGU-K from 160 bhp to 470 bhp, while reducing the combustion engine's contribution. Active aerodynamics replace the Drag Reduction System, with an overtake mode deployable when a pursuing driver is within one second of the car ahead. Cars are narrower, shorter in wheelbase, and lighter than the 2022-2025 generation. All teams use Pirelli tyres and a fully sustainable fuel formulated for the new regulations.
Eleven constructors compete in 2026 — the highest count since 2016. Cadillac makes its Formula One debut as the eleventh team, using Ferrari power units, while Audi competes for the first time as a full works outfit under the Audi name after acquiring Sauber in 2024. Three new engine suppliers entered the sport alongside the regulation changes: Audi, Honda through its Honda Racing Corporation subsidiary supplying Aston Martin, and Ford through a partnership with Red Bull Powertrains covering Red Bull Racing and Racing Bulls. Alpine switched from Renault to Mercedes customer power units, ending Renault's engine supply role for the first time since 2000.
Through the mid-season rounds, Kimi Antonelli (Mercedes) led the Drivers' Championship after winning four consecutive Grands Prix, including his maiden victory at the Chinese Grand Prix, back-to-back wins in Japan and Miami, and a fourth consecutive triumph in Canada. Antonelli also converted his pole position to victory at Monaco, becoming the youngest Monaco Grand Prix winner and the youngest driver to achieve a grand chelem in the championship's history.
George Russell (Mercedes) won the season-opening Australian Grand Prix and remained among the championship contenders, while Lewis Hamilton took his first victory for Ferrari at the Barcelona-Catalunya Grand Prix. Hamilton's win alongside Russell in second and Lando Norris in third produced the first all-British Formula One podium since the 1968 United States Grand Prix. Max Verstappen and Red Bull Racing achieved their first podium of the season in Canada, while McLaren's Norris and Piastri remained championship factors despite a difficult run of reliability issues in the early rounds.
The 2026 Mexico City Grand Prix entry list comprises all eleven constructors. McLaren-Mercedes fields Lando Norris and Oscar Piastri. Mercedes enters George Russell and Kimi Antonelli. Ferrari lines up Charles Leclerc and Lewis Hamilton. Red Bull Racing runs Max Verstappen and Isack Hadjar, who joined the team from Racing Bulls for 2026. Aston Martin-Honda is represented by Fernando Alonso and Lance Stroll. Alpine-Mercedes fields Pierre Gasly and Franco Colapinto. Haas-Ferrari enters Esteban Ocon and Oliver Bearman. Racing Bulls-Ford runs Liam Lawson and Arvid Lindblad, the latter promoted from Formula 2 to replace Hadjar. Audi fields Nico Hulkenberg and Gabriel Bortoleto. Williams-Mercedes enters Alexander Albon and Carlos Sainz Jr. Cadillac-Ferrari rounds out the grid with Sergio Perez and Valtteri Bottas.
No race-specific qualifying or race result data for the 2026 Mexico City Grand Prix was available in the source material at the time of writing; the event is scheduled later in the 2026 calendar season.
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