Buemi had to replace his front wing and Alguersuari was the only driver to retire.
Sebastian Vettel leads the championship, and Lewis Hamilton jumps into second ahead of his teammate.
Lewis Hamilton takes McLaren’s first win of the season, as Mark Webber storms through from 18th for a podium finish.
Mercedes relegated Ferrari to the fourth-fastest team in Shanghai.
Sebastian Vettel set pole position for the fourth race in a row and continued his unbeaten run in 2011.
Sebastian Vettel takes his third consecutive pole position in China.
Sebastian Vettel remains the man to beat in Shanghai after final practice.
Vettel is still able to run longer and faster in a race stint than everyone else.
Sebastian Vettel refused to release his grasp on the top spot in the second practice session.
Data from the first practice session in Shanghai.
Sebastian Vettel was two seconds faster than any non-Red Bull driver in first practice in China.
Vote for the most impressive driver at Sepang.
Buemi received a stop-go penalty for pit lane speeding after accidentally turning his limiter off.
Look back on the the Malaysian Grand Prix in this gallery.
Sebastian Vettel kept up his winning streak with his fourth victory in a row in Malaysia.
Sebastian Vettel leads the championship, followed by Jenson Button and Lewis Hamilton.
Sebastian Vettel takes second consecutive win in Malaysia, as Nick Heidfeld storms to third for Renault.
Pictures from qualifying and the final practice session for the Malaysian Grand Prix.
Sebastian Vettel may be on pole position again but Red Bull’s advantage has been cut.
Sebastian Vettel edges Lewis Hamilton for Sepang pole position.