Felipe Nasr maintained Sauber's positive start to the 2015 Formula 1 pre-season test by completing 87 mostly trouble-free laps en route to the second fastest time overall.

One of three rookies on the F1 grid in 2015, GP2 race winner Nasr was making his Sauber bow in Jerez and marked his first appearance by playing his part in a Ferrari-powered 1-2 behind Sebastian Vettel.

Though the importance of laps times was played down, the Brazilian said he was particularly pleased to complete another reliable day for Sauber.

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"That is a positive point. I think yesterday as well when Marcus [Ericsson] was in the car we didn't have any major issues, so we were able to go through our programme and everything was fine."

"It is a good step from what I can see from last year, so it is step forward on the car. I am looking forward to seeing how much we can develop on that. "

Indeed, Nasr, who garnered F1 experience in his testing role with Williams last season, believes he is in a good environment from which to develop in the sport.

"It is my first year in F1, I am in a good place to start that with a team that has a good knowledge of F1 and I am sure I am going to learn a lot from them. The first target is to get the team back to the points - that is the first main goal of the season."