Sauber are working on a new lightweight chassis which they hope to debut at the Spanish Grand Prix, in the hope of meeting the minimum weight allowance. The team have been... read more »

Sauber drivers Adrian Sutil and Esteban Gutierrez have revealed that the team's Formula 1 car is overweight at this stage of the 2014 season read more »

Mark Webber has denied Red Bull is running its car overweight in testing in order to conceal its hand from its rivals read more »