Fernando Alonso: "The car feels consistent and easy to drive, and it’s giving me the confidence to push it to the limit."
Daniil Kvyat: "There is definitely potential and things are looking better compared to Melbourne,"
Both Sauber C34-Ferraris ran without any major issues.
Lotus F1 Team opened-up strongly but Romain Grosjean experienced a loss of power in the afternoon.
Jorge Lorenzo and Valentino Rossi made the most of their first practice session to be ready for Sunday‘s racing action.
Nico Rosberg topped the times during the morning session, with Lewis Hamilton claiming top spot in the afternoon.
The real race pace will be known only on Sunday.
Manor Marussia finally made it onto the track in Malaysia as both Will Stevens and Roberto Merhi ran the revamped car for the first time in free practice at Sepang.
A major partnership between the Blancpain GT Series and Pirelli World Challenge is set to be announced today to establish a joint venture that will see European and US GT teams race on both sides of the Atlantic.
Sebastian Vettel believes Red Bull and Toro Rosso could join the fight behind Mercedes in this weekend's Malaysian Grand Prix.