Plenty has changed in Formula One and we run you through the key alterations ahead of the season opener in Australia.
We assess how Renault can expect to do in the 2019 Formula One season.
Formula One returned with the first day of pre-season testing in Barcelona, and Sebastian Vettel had a day that was "close to perfection".
Renault managing director Cyril Abiteboul thinks Daniel Ricciardo and Nico Hulkenberg will complement each other perfectly.
Red Bull did all they could to retain Daniel Ricciardo, according to team boss Christian Horner.
As he prepares to leave Red Bull at the end of the season, Daniel Ricciardo acknowledges the thought of change terrifies him.
The Brazilian Grand Prix is not a race Red Bull duo Max Verstappen and Daniel Ricciardo expect to have much success at.
Red Bull excelled in qualifying at the Mexican Grand Prix, but Lewis Hamilton will be happy to let the front two do battle.
Daniel Ricciardo pipped Max Verstappen to pole position on Sunday, leaving the Dutchman far from impressed.
Max Verstappen's storming week at the Mexican Grand Prix was not enough to keep Red Bull colleague Daniel Ricciardo from pole position.