season cars were about 22 cm longer than 2009 cars to accommodate the enlarged fuel tank this necessitated.

Tyres

Formula 1 has contracted a single supplier of tyres since the 2007 season. The supplier (Pirelli since ) supplies 6 specifications of slick dry-weather tyres (C1, C2, C3, C4, C5, C6), of which 3 compounds are provided at each race (described at that race as "soft", "medium" and "hard"). Pirelli introduced a softer C6 compound for the 2025

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