Sauber have also enhanced their line-up by signing Mexican Esteban Gutierrez as their test and reserve driver for 2011.

BBC: Jerome D'Ambrosio & Esteban Gutierrez win F1 test roles

They were both bumped up the grid after 16th-placed Esteban Gutierrez of Sauber was dropped three spots for impeding Raikkonen during Q1.

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There are five drivers -- Max Chilton and Jules Bianchi of Marussia, Sauber's Esteban Gutierrez, Valtteri Bottas of Williams and Van der Garde of Caterham -- who joined F1 in 2013 with limited experience of driving an F1 car.

CNN: Kovalainen returns to help Caterham F1