Formula 1 teams arrived at Silverstone with a wave of targeted upgrades for a circuit expected to place unusual demands on the 2026 cars, especially on aerodynamic efficiency, cooling and rear stability. McLaren led the front-running development push with a new front brake duct and revised floor parts, while Red Bull brought updated rear wheel bodywork and revised cascade wings. Ferrari, Racing Bulls, Williams and Haas also introduced changes, with teams across the grid focusing on flow conditioning and thermal management for the British Grand Prix weekend.
Ferrari’s package drew the most attention after both SF-26 cars struggled with overheating in Austria the previous weekend. The team brought a consolidated rear-corner update that included larger inlets and outlets, plus a reshaped rear section designed to improve aerodynamic efficiency and manage heat. Ferrari also aimed to optimize winglet loading, a sign it was trying to balance performance gains with durability after thermal weakness was exposed at the Red Bull Ring. In Austria, Lewis Hamilton finished fifth after a three-race podium streak ended, and Charles Leclerc finished eighth despite using an updated Ferrari power unit.
Mercedes arrived at Silverstone as the championship leader but did not bring upgrades, and it had made only four car changes since its first major package at the Canadian Grand Prix. Aston Martin, Alpine, Audi and Cadillac also came without new parts, while Aston Martin said its larger update would wait for the Hungarian Grand Prix. The weekend also marked the return of the Sprint format, and Hamilton took Sprint pole at Silverstone ahead of Andrea Kimi Antonelli and Max Verstappen.
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