Vettel, who started on pole, managed to hold off second place scorer Jenson Button of McLaren as well as his own Red Bull Racing team-mate Mark Webber who finished in third.
Following Webber over the line and completing the top five were Ferrari’s Fernando Alonso and fellow McLaren driver Lewis Hamilton.
As for Vettel’s title hopes, the German youngster has all but confirmed his second Formula 1 World Championship with his win in Singapore, now needing just one more point.
Button, who previously stood at third on the overall points ladder, managed to hold off the end of the Championship for one more race by coming in second in yesterday night’s event.
Speaking during a post race interview, Vettel said: “I am very, very pleased with the result today. The car was fantastic all the way through. When we needed to push, we could pull away quite easily, which helped us.”
In the Drivers’ Championship, Vettel has a total of 309 points, followed by Button who now moves up to second spot with 185 points, and Alonso in third spot with 184 points.
In the Constructors’ Championship, Red Bull Racing remains unstoppable with 491 points, followed by McLaren on 353 points and Ferrari on 268 points.
The title for the 2011 Formula 1 World Championship now looks to fall at the Japanese Grand Prix taking place in two weeks’ time. Stay tuned for our full coverage of the event.