Reigning world champion Sebastian Vettel has insisted that he is happy to let his results do the talking, amid the ongoing debate over the sport's best driver.
Despite winning his third world title in a row last season and becoming the youngest three-time champion in Formula 1 history, his status as the best all-round driver is not secure.
Both Lewis Hamilton and Fernando Alonso have said that they regard one another as their greatest track rival, but the Red Bull man is more focused on improving in 2013.
"It's on the timesheet and on the list at the end of the year, I'm quite happy with that," said Vettel.
"It's nice to look back at the numbers and seeing what you've achieved. But my focus is not on continuing to write a certain story. My focus is the same as every year - to start the season in the right way.
"Hopefully we are there [challenging], although there is no guarantee of that."
The new Formula 1 season begins on March 17 with the Australian Grand Prix.
