Toro Rosso confirmed that Alguersuari was to be retained alongside Sébastien Buemi for the 2011 season. After finishing the first two races outside the points, Alguersuari qualified inside the top ten for the first time in Formula One, with a seventh place grid start in China. Two 16th places and a retirement followed in the next three races, before taking his best Formula One placing of eighth at the , and then matching that at the . These results came at a crucial time for Alguersuari, with Daniel Ricciardo being linked to replace Alguersuari for the season. Alguersuari finished tenth at the , giving him a run of three consecutive point scoring finishes. He qualified a career best 6th at the before being forced to retire during the race after a first corner collision with Bruno Senna. Alguersuari finished in seventh place at the , improving upon his previous best of two eighth places earlier in the season. He crashed out on the penultimate lap in Singapore, but was classified in 21st place. In Korea, Alguersuari finished seventh after passing Nico Rosberg on the final lap, and added another eighth-place finish in India.