LONDON, England - Formula 1 World champion Sebastian Vettel has admitted he was surprised when Red Bull was competitive as the 2014 season kicked off.Team boss Christian Horner has been quoted elsewhere as saying the RB10's performance was not a shock in Melbourne despite a disastrous northern winter test season.Vettel, who saw his new team mate Daniel Ricciardo qualify and then finish second prior to his disqualification, has admitted he was surprised in Melbourne.'THE POTENTIAL IS THERE'Vettel told Bild am Sonntag newspaper: "The result was no great surprise - what was a surprise was to see that the car is fast and we can compete at the front. The potential is there."So it gives us hope and that's why I'm in a good mood."After his four consecutive World championship successes, Bild reporter Nicola Pohl suggested to Vettel that he must be travelling to Malaysia feeling frustrated.He insisted: "I am in good spirits! I knew that 2014 would be difficult, but each season has its ups and downs."As for the car, there is still much to learn but there is no reason to hang the head."Stay with Wheels24 for 2014 Malaysia GP this weekend.