Charles Pic has warned the teams face a “big challenge” if Pirelli push forward their plans to introduce 18-inch tyres.
French driver Charles Pic has parted company with Caterham.
Jules Bianchi and Charles Pic have been given ten-place grid penalties after picking up their third reprimands in Korea.
Caterham will run Alexander Rossi and Will Stevens alongside Giedo van der Garde and Charles Pic at Silverstone.
Jenson Button has accused Caterham's Charles Pic and Giedo van der Garde of "destroying" his attempts to finish fifth.
Heikki Kovalainen says Caterham should be beating Marussia even without the update package planned for Barcelona.
Heikki Kovalainen has identified the rear of Caterham CT03 as the area of principal weakness in the team's package.
Charles Pic says he welcomes the chance to work alongside Heikki Kovalainen and take advantage of the Finn's experience.
Marussia have confirmed they held talks with Caterham following Bernie Ecclestone's disclosure they considered a merger.
New Caterham drivers Charles Pic and Giedo van der Garde have unveiled the new CT03 ahead of the first test in Jerez.
Giedo van der Garde has been announced as Caterham's second race driver alongside Charles Pic for the 2013 season.
Caterham announced on Monday that their new car, the CT03, will be unveiled at Jerez on Tuesday, February 5.
Caterham have announced that they have signed current Marussia driver Charles Pic for the 2013 season and beyond.
The drivers give their reaction to qualifying for the Belgian Grand Prix, where Jenson Button took his first McLaren pole position.
The drivers give their views on a frustrating day in Belgium, where both sessions were heavily affected by rain.
Charles Pic is confident Marussia can continue to make progress at this weekend's Hungarian GP, as the team look to move away from the back of the grid.
Marussia Team Principal John Booth is confident that the team can take a major step forward when they introduce a new aero package at Silverstone.
The drivers have their say after a thrilling race at the Bahrain International Circuit in Sakhir, where Sebastian Vettel took victory.
Marussia are looking to 'continue to take positive steps forward' as they head to Shanghai.
The Marussia MR01 has finally broken cover on its shakedown at Silverstone with Timo Glock taking the new car for a spin.
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