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F1 pre-season lap times are unreliable: teams run heavy fuel, sandbag pace deliberately, and stage fast laps for sponsors. The real signals are long-run consistency, tyre degradation across stints, and how well track data matches the simulator.

Pre-season testing at Bahrain is a data-gathering exercise, not a performance ranking. Lap counts, long-run pace, tyre management, and how well track data matches simulator predictions tell more than any single headline time.

Cadillac joins F1 in 2026 as the 11th constructor, expanding the grid to 22 cars for the first time since 2016. The American factory team runs a Ferrari customer engine in its first season while developing its own power unit long-term.

Audi enters F1 in 2026 as the full factory successor to Sauber, building its own hybrid power unit in Neuburg, Germany. The team targets steady progress through the 2026 regulatory reset before competing for championships by 2030.