"The only thing I could do was to try and win the race, " said a beaming Vettel.
BBC: Red Bull's Sebastian Vettel kept Formula 1 title belief
Vettel needs to win with Alonso out of the top four to be champion.
Raikkonen is only four points behind Vettel, who leads with 89 after five races.
Vettel has been released from his role as a test driver for BMW Sauber.
Webber admitted that he had struggled compared to Vettel and did not look for excuses.
Vettel beat Ferrari's Fernando Alonso by 0.076 seconds, with the Spaniard's team-mate Felipe Massa in third.
If Vettel wins, he needs Alonso to be lower than fourth to become champion.
Red Bull's championship-chasing duo Mark Webber and Sebastian Vettel were fourth and sixth fastest respectively.
Webber wasn't a fan, unlike Vettel -- who changed his style to suit the new characteristics.
Pole sitter and three-time reigning world champion Vettel was third in a Red Bull.
Vettel won his first at 21 years and 73 days (he's the youngest F1 winner ever).
WSJ: Formula One: Sebastian Vettel Chasing Down Michael Schumacher's Legacy
Mr. Vettel, with whom he works only on a handshake agreement, is his biggest customer.
"It was a difficult session for us, " Vettel explained to the Formula 1 website.
When asked whether he thought Schumacher was "just making excuses for not winning, " Vettel didn't answer.
Vettel missed out on the quickest time in Friday practice by 0.164 seconds to Button.
"It's much too early to say anything about performance, " Vettel said after a few laps.
Conveniently LEFT off the list of athletes was Sebastian Vettel- worth about 22 Million.
FORBES: The World's Most Valuable Sports Brands Discussion On The YES Network
Brawn's Rubens Barrichello, fighting with Vettel for second in the championship, will start fourth.
Still, Vettel's second place was enough to earn Red Bull F1's Constructor's Championship the team's third straight.
WSJ: Formula One: Lewis Hamilton Wins U.S. Grand Prix in Texas
Not only would it be out of character for Vettel, but it could also be unnecessary.
In other words, if Vettel won, Alonso would have to finish fourth or better.
"It was a real shame for me as I had a good start, " said Vettel.
McLaren team principal Martin Whitmarsh paid tribute to Vettel's drive at the Yas Marina circuit.
At 24 years and 98 days, Vettel is the youngest double champion in history.
Mark Webber and World Champion Sebastian Vettel will drive team cars at the event in Midsummer Boulevard.
BBC: Milton Keynes Red Bull celebration set to attract crowds
In 2012, for instance, Vettel averaged 1.85 stops per race and Ferrari's Fernando Alonso was on 1.75.
Raikkonen, a two-time winner in Barcelona, finished second in Bahrain after coming home behind Vettel's Red Bull.
Vettel's Red Bull teammate Mark Webber was fourth with former world champion Kimi Raikkonen fifth for Lotus.
Mark Webber has warned his rivalry with Red Bull team-mate Sebastian Vettel could get even more intense.
Lewis Hamilton finished down in eighth and lost his championship lead to race winner Sebastian Vettel.
应用推荐