Sergio Perez says the lack of results so far this season with McLaren has become 'frustrating', but has once again shrugged off criticism.

The Mexican has endured a tough start to life at McLaren and has posted just three points finishes since his move from Sauber last season.

But Perez says he still remains confident in his driving ability, and will not let criticism affect him: "I feel frustrated; I feel that my performance with McLaren has been good," Perez told ESPN.

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"I have total support from my team, which as a driver is very important; to count on your team's support.

"About the criticism, I believe everyone has their own point of view. I'm not here to be liked by everyone, I'm in Formula One to fight for my team - in whatever team I'm in - and if that causes criticism I don't care."

The 23-year-old has highlighted the McLaren's aerodynamic package as one of the reasons for poor performance, and says the car is contradicting data collected on the track: "I believe that the main problem and what has caused these results is the car performance," he added.

"In terms of vehicle aerodynamics we have way less than expected, we have a problem with the wind tunnel. The wind tunnel is telling us one thing but the reality on the track is much different, so it's very hard to work like that.

"In this scenario you have to test many things on the track in order to have a good correlation with the wind tunnel."