Second was Renault's Kevin Magnussen.
Sahara Force India's Nico Hulkenberg emerged fastest driver on day three of the pre-season testing at the Circuit de Barcelona-Catalunya with a lap time of 1m 25.286s, here on Wednesday.
The German, running on medium compound tyre in his Mercedes-powered VJM09, was 0.728s clear of Renault's Kevin Magnussen, whose best time came on soft rubber. Magnussen, making his first appearance behind the wheel for Renault, completed 63 laps in the morning session.
Mercedes' Nico Rosberg (1:26.084) was third quickest as he added a further 74 laps to the 172 he managed on Tuesday. The German will hand his Silver Arrow over to team mate Lewis Hamilton this afternoon after Mercedes altered their run plans because of the "unprecedented mileage levels" completed in the two days thus far. "We want to keep our boys in top shape for Melbourne!" the team added on Twitter.
Toro Rosso's Carlos Sainz was the next best with a timing of 1:26239 while Red Bull's Daniel Kvyat (1:26.497)and Williams' Felipe Massa (1:26.712) ended the morning fifth and sixth on the timesheets. Sainz had caused the first of two red flag stoppages when he stopped his car on the exit of the pit lane with a loose rear wheel.
The other red flag was caused by rookie Rio Haryanto, whose 2016 debut was interrupted when he beached his Manor into the gravel at Turn 5. The Indonesian pilot had clocked 25 laps before that. Having topped the timesheets on the opening two days of testing with Sebastian Vettel, Ferrari had a difficult morning, with Kimi Raikkonen consigned to the garage for several hours.
The Finn eventually emerged with a little over 40 minutes of the session still to run, eventually completing four laps without setting a time.
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