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Antonelli Tops São Paulo Practice as Power‑Unit Changes and Reliability Threaten the Grid

Confirmed engine swaps, grid drops and fresh technical faults could reshape qualifying and the race weekend at Interlagos.

Overview

  • Mercedes looked strongest in Friday practice with newly crowned champion Andrea Kimi Antonelli fastest on single laps and long runs, positioning the team as the weekend favorite.
  • George Russell has a confirmed grid penalty after Mercedes replaced a power‑unit component, a change that will drop his starting position for Sunday.
  • Ferrari held private talks between drivers but reported balance problems and energy‑delivery faults in the SF‑26 and is likely to introduce new power‑unit elements that would bring further grid penalties.
  • Haas will run Brazilian rookie Rafael Camara in place of Esteban Ocon, a move that removes Camara from concurrent Formula 2 rounds and could cost him the F2 title fight.
  • Audi suffered an electrical defect that left Nico Hülkenberg without any practice laps, while McLaren’s upgrade showed promise and a tight midfield battle for positions is forming between Racing Bulls, Audi and Alpine.