F1 2026 Tires – Starting in 2026, f1 cars will be only 190 centimeters wide instead of 200. Pirelli boss mario isola has given an insight into the first test session of f1's new 2026 tyres that took place earlier this week, with the italian confident that the learnings provided a strong baseline for future development. A further 1500km has been logged on intermediate and wet compounds; Pirelli f1's third test session for 2025 concluded yesterday at the angel nieto circuit in jerez de la frontera, southern spain.

Pirelli has defended its new, smaller f1 tyres for 2026 and revealed it had given teams the option to stick with current tyre size, after george russell criticised the new rubber. The third pirelli f1 test session of 2025 began yesterday at the circuito de jerez de la frontera in spain, featuring alpine f1 and mclaren f1. Slimmer tires for greener racing. As in last week's session in catalonia, the focus was on developing slick tire solutions for the 2026 range.

F1 2026 Tires

F1 2026 Tires

The changes in the tyres, paired with the upcoming 2026 regulations, have pushed pirelli to develop entirely new compounds.teams like aston martin, mclaren, red bull, and ferrari are wasting no time testing these tyres during the break between races. The front tires will go from 305 to 275 millimeters, and the rear tires from 405 to 375 millimeters. Pirelli's f1 testing so far mclaren testing for pirelli at jerez in february 2025 (pirelli) to date, the teams that have been involved in pirelli's testing of 2026 slick tyre options have completed approximately 7400km between them.

All tests have taken place over two days. Pirelli wishes to begin testing with the 2026 tires as early as september this year.

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