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Why Ferrari failed to deliver in United States GP qualifying

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Following an exceptionally strong showing across free practice ahead of the United States Grand Prix, Ferrari looked like undisputed contenders to lock out the front row. However, when it came to the crunch in qualifying, the Italian outfit failed to find the required pace and endured a disappointing Q3.

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Charles Leclerc set the fastest times across both Friday sessions, while Lewis Hamilton topped FP3 after Leclerc had his benchmark deleted. Everything suggested the Scuderia was primed for a direct duel with Red Bull's Max Verstappen for pole position. As qualifying progressed, however, Mercedes firmly entered the fight at the front. Andrea Kimi Antonelli produced a stunning opening flyer in the final segment, which proved enough to secure pole ahead of Verstappen. Ferrari had to settle for fourth with Leclerc and fifth with Hamilton, as their car hit a performance ceiling at the worst possible moment.

Two key factors explained the setback: a top-speed deficit along the straights and difficulties switching the tyres into their optimal operating window for the final runs.

The Ferrari showed impressive stability through low-speed corners, across the esses between Turns 6 and 10, and through the high-speed section from Turn 16 to 19. Yet as their rivals ramped up the pace in the closing stages, the Maranello cars had no answer.

According to Leclerc, part of the issue lay in dropping track temperatures. While Ferrari's chassis manages tyre wear effectively in race conditions, it struggles to generate heat for a single flying lap. As track temperatures fell, finding the ideal tyre window became a major hurdle.

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“It's very frustrating. We've had weekends before where we're quick in practice, but once qualifying arrives, it becomes clear our rivals have significantly more straight-line speed and it's difficult to respond. The car had potential today, but that includes tyre preparation, and in Q3 we simply weren't in the right window. The temperature dropped by only a degree or two, but for me, that made a massive difference. I was sliding on the out-lap and everything became very tricky from there,” Leclerc explained.

The Monegasque driver added that the team needs to investigate their tyre behaviour more deeply:

“Others manage to extract lap time in Q3 much more easily, whereas we pay a heavy price for even the slightest deviation from the optimal temperature window. Our car struggles to switch the tyres on, which is an advantage on Sunday, but on a cooler track in qualifying, it creates serious issues for us.”

In contrast to his teammate, Lewis Hamilton stated that tyre preparation was not an issue, describing his final run as clean and solid. The seven-time world champion pointed instead to power unit performance—specifically hybrid energy deployment along the straights—as the primary reason for the gap.

“I haven't looked at the telemetry yet, but from what we've seen all weekend, heading into Turn 1, when our hybrid clipping kicks in, Max's car just keeps pulling away. The same happens before Turn 11. My car felt great and the lap was solid; the others were simply faster. We're losing out primarily on the straights. Our chassis is on par or even slightly better, but Red Bull and Mercedes have made significant aero gains. They've caught up through the corners, and we don't have an answer for their straight-line speed,” the Briton explained.
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Hamilton estimated the power unit deficit to the Red Bull-Ford at roughly three to four tenths of a second on the straights alone—a margin Ferrari could not overturn through cornering performance.

If the tyre warm-up issues prove to be the primary factor, Ferrari will feel confident in managing thermal degradation over the race distance. Overcoming a straight-line power deficit along the lengthy back straight, however, will be a much steeper challenge.

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