His victory margin of 1.9 seconds over Mercedes AMG teammate Lewis Hamilton sees the German extend his world championship lead to 29 points .
Nico Rosberg has won his third grand prix of the season after taking out the Austrian Grand Prix overnight .
Nico Rosberg 's victory margin of 1.9 seconds over Mercedes AMG teammate Lewis Hamilton sees the German extend his world championship lead to 29 points .
Nico Rosberg has won his third grand prix of the season after taking out the Austrian Grand Prix overnight .