Team boss Christian Horner praised Sebastian Vettel and the whole Red Bull Racing team after wrapping up the F1 drivers title after a race of 'maximum stress' at Interlagos.

Having wrapped up the constructors' championship in Austin, Red Bull headed to Brazil looking to double up for a third straight season - with Vettel holding a 13 point lead over Fernando Alonso in the standings.

The season finale would turn out to be more dramatic than Vettel and the team could ever have expected, with a clash on lap one with Bruno Senna dropping him to the rear of the field and damaging both the floor and exhaust on his car.

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With a radio problem leading to communication issues as the race wore on, Vettel had to be at his best to secure a sixth place finish that gave him the title and Horner admitted it was a race that he wouldn't forget in a hurry.

"An unbelievable end to what has been a really incredible season," he said. "We always knew this championship was going to go right down to the wire and I don't think anybody could have expected the kind of race we got today. But, to have achieved a triple double World Championship is quite phenomenal.

"Sebastian has driven better than ever this season and has fought his way back into this championship; he's never given up and you saw that in today's race. After being knocked out of position and going to the back of the field with a load of damage, he fought his way back into the race, he never gave up and it was a race of maximum stress today with rain and no rain, then incidents, spins, you name it, it happened - safety cars, radios that didn't work - but you have to reflect on the season as a whole."

Horner added that the challenge provided by Alonso had made the title campaign the most difficult that Red Bull has faced in recent years and said the Spaniard had pushed his team all the way,

"Over 20 races the team has done an unbelievable job and Sebastian truly deserves this World Championship," he said. "Having gone up against an incredible opponent in Fernando Alonso, and we have to pay tribute to him and the way he's driven this year, it has made this Championship even more appreciated because of the level of competition we've had to compete against.

"All I can do is thank every single member of the team for everything that they've put in. I'd like to thank Dietrich Mateschitz for his commitment, backing and support, and the encouragement that he's given all of us. To all the members of Red Bull who have been with us all the way through this, and of course to all of our partners that have grown and been on this journey with us over the last three years, A big thank you on behalf of the whole team to all of them. It's going to take a little while for the success to sink in."