Sutil, the 28-year-old German who made his debut with the team in 2007 when they were named Spyker, has been retained for a fifth successive year. Germany's Nico Hulkenberg, discarded by Williams at the end of last season to make way for Venezuelan rookie Pastor Maldonado, was appointed test and reserve on a long-term contract.
The lineup, announced at a news conference in Di Resta's home city Glasgow, was a major career setback for Italian Vitantonio Liuzzi who partnered Sutil last year and had hoped his contract would keep him in the race seat.
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