2017 Formula One Season

The 2017 Formula One Season was the 68th season of the Formula One World Championship.

Race tracks
The Singapore and Malaysian Grand Prixs returned to the calendar after 2 years out, whilst the Bahrain, Spanish and Mexican Grand Prixs were removed from the calendar.

Engine suppliers
Toro Rosso switched from 2015 Ferrari engines to back to Renault engines for 2017 having last used them in 2015.

Drivers
Daniel Ricciardo left Red Bull to join Ferrari in 2017 to re-partner Sebastian Vettel, having last partner him in 2014 at Red Bull, and replacing Nico Rosberg.

Pierre Gasly left Toro Rosso to join sister team Red Bull in 2017 replacing Daniel Ricciardo and partnering alongside Max Verstappen.

Nico Rosberg left Ferrari to rejoin Williams in 2017 for the first time since 2009 to partner alongside Valtteri Bottas and replace Jenson Button.

Jenson Button retired from Formula 1 at the end of 2016.

2016 GP2 Champion, Antonio Giovinazzi made his Formula 1 debut in 2017 with Toro Rosso replacing Pierre Gasly and partnering alongside Carlos Sainz, Jr.

Nico Hülkenberg left Force India to join the rebranded Alfa Romeo team in 2017 replacing Marcus Ericsson who left Formula 1 at the end of 2016.

Esteban Ocon made his Formula 1 debut in 2017 with Force India replacing Nico Hulkenberg and partnering alongside Sergio Perez.

Alex Lynn and Jordan King made their Formula 1 debuts in 2017 with Manor Racing. Alex replaced Romain Grosjean whilst Jordan replaced Nobuharu Matsushita after his loan deal came to an end.

Mick Schumacher made his Formula 1 debut in 2017 with the rebranded Alfa Romeo team replacing Felipe Nasr who left Formula 1 at the end of 2016.

Romain Grosjean left Manor to rejoin Renault for the first time since 2015, when the team was known at Lotus F1. Romain replaced Jolyon Palmer, who left Formula 1 at the end of 2016, and partnered alongside Kevin Magnussen.

After the Canadian Grand Prix, Pascal Wehrlein was demotted from Mercedes to Manor Racing as a result of poor performances with the German manufacturer and causing a collision with team mate Aarava. He replaced Alex Lynn who moved to Williams replacing Nico Rosberg who ended up returning to Mercedes for the first time since 2015 replacing Pascal Wehrlein.

Teams
As a result of being in financial trouble, Sauber were bought out by Ferrari's partners Alfa Romeo to essentially form a Ferrari B team.