Webber to `quit Formula One by end of 2013`
Sydney: Australian F1 driver Mark Webber is expected to quit F1 at the end of the season.
Webber has reportedly signed a new five-year contract to lead Porsche in their return to famous 24 hour endurance race Le Mans.
Overnight Radio Le Mans announced that Webber had signed the deal, meaning he would join Porsche in their assault on the World Endurance Championship.
According to reports Webber is expected to quit when his contract with Red Bull expires.
German publication Bild reported that the Webber was is in talks with Porsche in the wake of Sebastian Vettel`s ignorance of team orders by denying Webber victory at Sepang, the report said.
Webber was quick to deny any rumours before the start of this year`s F1 season, but is yet to make comment on the latest announcement, it added.