Pastor Maldonado has said he feels that improved consistency will be a key factor for Williams as it seeks to impress during the 2013 F1 season.

The Venezuelan secured a shock victory for the team in Spain last year but only scored a further 20 points over the remainder of the campaign - failing to finish inside the top ten on no fewer than 15 occasions over the course of the year.

On numerous occasions, the former GP2 racer was able to qualify well only to fall back on race day, while a series of incidents also hit his hopes of finishing higher in the standings.

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With that in mind, the 27 year-old said it was vital that he was more consistent this year as he seeks to repeat his winning performance from last season and add to his victory tally.

"Starting my third season with Williams is important for both myself and the team," he said following the launch of the FW35 in Barcelona. "We've been working hard to develop the car and improve our performance. Last year we won a race and were competitive, but this season we must be even more competitive which I believe is possible.

"Consistency will be our aim to close the gap to the teams in front. There are a number of changes this season; I have a new race engineer and a new team-mate in Valtteri, but there is a nice atmosphere right now as we are all competitive and know each other well. Being part of the Williams family is very special as a driver and I want to thank Frank for not only giving me the opportunity to drive for him, but also to deliver a win.

"My goal is to help take the team back to the top."