Championship leader Fernando Alonso starts fourth on the grid and is in dire need of points.
Jenson Button will begin in 11th, sandwiched between Michael Schumacher and Sergio Perez.
Two-time champion Vettel triumphed here last year, and you can follow all the action from the Korean International Circuit with us below.
9.02amJoin us for live coverage of that race on Sunday, Ocrober 28. Goodbye for now!
9.01amWell that brings to a close our coverage of the Korean Grand Prix. Sebastian Vettel is back at the top of the standings and has title-winning momentum. He will be the one to beat at the Indian Grand Prix, where the F1 season heads off to next.
8.49amThe German is beaming with delight as his national anthem is being played and the flags are hoisted.
8.47amAlonso is on the podium but he has seen his lead completely wiped out by Vettel, who has won the last three races.
8.46amThat's Sebastian Vettel's 25th career victory. He is now top of the championship. He does the now-customary stroking of the Red Bull on his car.
Lap 14Button: "I got a really good start, then [Kobayashi] came from nowhere and drove into the car in front. I had to move out the way but it was too late. It's poor driving, especially as this is supposed to be the pinnacle of motor sport."
Lap 13Hulkenberg, Grosjean and Perez are battling it out for seventh at the moment.
Lap 12Paul di Resta is going well in his Force India. He is currently in ninth and having a good look at Michael Schumacher.
Lap 10Ricciardo gets past Senna. The Toro Rossos are flying.
Lap 10Vergne gets by Senna and into 12th, while Ricciardo goes past Maldonado and is now trying to replicate his teammate.
Lap 9Vettel and Webber have stretched their lead over Alonso at the front. They look like the fastest cars on the track, certainly.
Lap 8There is debris from Rosberg's car still on the track. The yellow flags are out and have been since the second lap. It's in the DRS zone, and so race stewards have disabled the DRS into turn three.
Lap 8Vergne has passed Maldonado now. Ricciardo is sizing the Venezuelan now.
TOP TEN:Vettel, Webber, Alonso, Hamilton, Massa, Raikkonen, Hulkenberg, Grosjean, Perez, Schumacher
Lap 6Maldonado is battling to hold off Jean-Eric Vergne and Daniel Ricciardo for 13th position. All three cars are bunched and in a bit of a dogfight.
Lap 3Sergio Perez has also damaged his wing in a small collision with Hulkenberg.
Lap 3Tremendous driving by Vettel on the first corner to overtake his teammate. Alonso has his work cut out to get ahead the Red Bulls.
Lap 2Nico Rosberg and Jenson Button are forced to retire.
Lap 2Bruno Senna is the biggest mover, coming from 17th to 12th.
Lap 1Button has damage to his wing courtesy of Kobayashi.
LIGHTS OUT!VETTEL TAKES WEBBER AT THE FIRST CORNER! ALONSO SURGES PAST HAMILTON AND INTO THIRD!
7amThe drivers embark on their formation lap ahead of lights out.
6.57amChampionship leader Fernando Alonso is fourth, ahead of Kimi Raikkonen and his Ferrari teammate Felipe Massa. Then comes the "first-lap nutcase" Romain Grosjean.
6.56amLewis Hamilton starts in third, with his title hopes seemingly hanging by a thread.
6.55amIt's another front-row lockout for Red Bull, this time with Webber in front.
6.54amWe're moments from the start of today's race. Just time for a quick look across the starting time.
6.53amGood morning! Welcome to SPorts Mole for our live coverage of the Korean Grand Prix.