Ever since the fifties, Formula One drivers have seats that put them in a very laydown position for performance benefits.

Toro Rosso launched its STR8 a single evening before the start of winter testing, and upon its unveiling immediately drew attention to the host of changes that were put on the car.

Mercedes have gone back to basics, shedding all the special items from its W03 and designing a better car with a basic layout. While this may be strange to some, it is really what Mercedes need.

Red Bull's RB9 is a clear evolution of the championship winning RB8, but then again, so were the RB7 and the RB6, who also won both championships driven by Sebastian Vettel.

Despite this being the last year with the current engines, requiring a major design change for 2014, Sauber have pulled out all stops to produce a car that is largely different from its predecessor and successful {Sauber C31}.