We're a week into 2025, and with preseason testing still seven weeks away, ESPN unpacks the storylines that will define Formula 1 this year.

After four years, Sergio Pérez is out at Red Bull. Once F1's most underrated driver, "Checo" is without a job for 2025 and has a reputation to rebuild.

Sergio Pérez and Red Bull have agreed to part ways, bringing an end to the Mexican driver's stint with the Formula 1 team.

Lando Norris' win from pole in Abu Dhabi secured McLaren its first F1 constructors' title since 1998.

Lewis Hamilton finished his Mercedes career with an impressive comeback, clinching fourth place after starting 16th at the season-ending Abu Dhabi Grand Prix.

Lewis Hamilton will start his final race for Mercedes at the back end of the grid after being eliminated from Q1 in Abu Dhabi.

George Russell has escalated his war of words with Formula 1 champion Max Verstappen, claiming the Dutchman threatened to "put me on my f--ing head in the wall" during the Qatar Grand Prix.

Pérez's Red Bull future looks in doubt after Christian Horner said Perez is "old enough and wise enough to know what the situation is."

General Motors convinced F1 that an 11th team was worth its while, now the U.S. will have its first truly American team on the grid in 50 years.

Only five drivers before him have won four world championships, so with No. 4 now in hand, can Max Verstappen be considered one of F1's all-time greats?

Formula 1 has confirmed an 11th team, run by General Motors, will join the grid in 2026.

Lando Norris feels confident he can beat the Dutchman in 2025 if the oppportunity presents itself.

Max Verstappen won his fourth straight championship at the Las Vegas Grand Prix as he finished fifth, ahead of title rival Lando Norris.

Last year's inaugural event was an unqualified success financially, but for locals, it wasn't exactly a hit.