Lewis Hamilton and Nico Rosberg of Germany pose with the new Mercedes GP F1 W04 at Circuito de Jerez. Paul Gilham/Getty Images
Fernando Alonso and Felipe Massa present the new F138 during Ferrari's unveiling ceremony for their new F1 car. Ercole Colombo/AP
Jenson Button takes to the track in this season's McLaren. Paul Gilham/Getty Images
Red Bull's 'evolutionary' RB9 car that the team hopes will take Sebastian Vettel to a fourth world title. Richard Heathcote/AFP/Getty
NORTHAMPTON, ENGLAND - FEBRUARY 01: Sahara Force India Formula 1 driver Paul Di Resta with the team's new car for the 2013 Formula 1 season. Mark Thompson/Getty Images
Jean-Eric Vergne presents during the Toro Rosso F1 STR8 at Jerez. Justin Davies/Getty Images
Charles Pic and Giedo van der Garde of Netherlands stand by their new Caterham CTO3 ahead of winter testing in Jerez. Paul Gilham/Getty Images
Max Chilton takes to the Jerez track for winter testing in the new Marussia. Mark Thompson/Getty Images
Sauber F1 team drivers Nico Hulkenberg and Esteban Gutierrez from Mexico with their C32-Ferrari car for the 2013 season. Fabrice Coffrini/AFP
Romain Grosjean gets the feel of the new Lotus for the 2013 season at Jerez. Paul Gilham/Getty Images
Williams driver Pastor Maldonado gives the new car a run during winter testing at Circuito de Jerez. Paul Gilham/Getty Images
The cars taking to the track for the 2013 Formula One season.
