Sebastian Vettel insists he can still improve despite third F1 crown
| By Edd Straw |
Saturday, December 22nd 2012, 10:36 GMT |
Sebastian Vettel insists that there is still potential for him to improve as a grand prix driver despite winning his third consecutive world championship in 2012 You have viewed over 30 free stories this month. Why stop there? Click here to find out how to continue reading.
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