Red Bull boss Dietrich Mateschitz has warned rival F1 teams that Sebastian Vettel will 'only get stronger' during the 2012 season as the German seeks to successfully defend his title for the second time.

Vettel stormed to the title in 2011 having clinched the 2010 crown in the final race of the year in Abu Dhabi, with his title defence being one of the most dominant campaigns seen in F1 for some time.

Already, the new RB8 has shown encouraging potential in pre-season testing and Mateschitz warned that Vettel is only going to continue improving as his experience of F1 increases.

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"He still has great potential ahead of him because his experience, his consistency and his domination in different situations will be given free rein," he told Speedweek.

"His focus in qualifying was already part of his strength but he's going to be even stronger in competition because he knows the complexity of his sport even better now."

Mateschitz has already insisted that Vettel's team-mate Mark Webber would get equality this season as Red Bull looks to wrap up both titles [See separate story HERE].