Conceding 2014 has not been the "smoothest year" for him, Sebastian Vettel has revealed he has been studying team-mate Daniel Ricciardo's data.
This season Vettel has struggled for form while Ricciardo, in his first year with Red Bull Racing, has led the team's charge.
Out-qualifying Vettel on four of six Saturdays, Ricciardo has also dominated grand prix Sundays.
The Aussie has beaten Vettel in four of five races and has scored 54 points to the German's 45.
"All the time," Vettel told ESPNF1 when asked if he had been studying overlays.
"Obviously he's been fairly quick, so you can imagine there have been corners where he's fairly quick! But it's good to see that and good to have a reference of what the car can do.
"If I look at myself it hasn't been the smoothest year but that's how it goes sometimes."
Pressed as to whether there was a pattern, he replied: "Not really, no.
"You can't say in a certain type of corner he's gaining and losing in another, so not really.
"With Mark I think it's fair to say he was very, very good in high-speed corners, and showed me the limits sometimes, but it's fairly even - let's say - around the lap with Daniel."
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