As F1's opening Grand Prix in Melbourne gets closer, teams have now unveiled their cars for the 2015 season and gear up for the excitement of 20 races to go. Here's a look at how the teams line up:

Ferrari

Team Chief: Maurizio Arrivabene
Drivers: Sebastian Vettel, Kimi Raikkonen
Test Drivers: Esteban Gutierrez, Jean-Eric Vergne

Sauber

Team Chief: Monisha Kaltenborn
Drivers: Marcus Ericsson, Felipe Nasr
Test Drivers: Raffaele Marciello

Lotus

Team Chief: Gerard Lopez
Drivers: Romain Grosjean, Pastor Maldonado
Test Drivers: N/A

McLaren

Team Chief: Eric Boullier
Drivers: Fernando Alonso, Jenson Button
Test Drivers: Kevin Magnussen

Red Bull Racing

Team Chief: Christian Horner
Drivers: Daniel Ricciardo, Daniil Kvyat
Test Drivers: N/A

Force India

Team Chief: Vijay Mallya
Drivers: Sergio Perez, Nico Hulkenberg
Test Drivers: N/A

Mercedes

Team Chief: Toto Wolff, Paddy Lowe
Drivers: Nico Rosberg, Lewis Hamilton
Test Drivers: N/A

Toro Rosso

Team Chief: Franz Tost
Drivers: Max Verstappen, Carlos Sainz Jr
Test Drivers: N/A

Williams

Team Chief: Frank Williams
Drivers: Felipe Massa, Valtteri Bottas
Test Drivers: Alex Lynn, Susie Wolff