ImagoThe Viessmann Kiefer Racing rider clocked one minute 42.697 seconds at Jerez, nearly a third of a second quicker than second-fastest Marc Marquez of Spain (Catalunya Caixa Repsol).
Japanese rider Yuki Takahashi (Gresini Racing) was third fastest, a further third of a second back.
2010 Moto2 runner-up Julian Simon was seventh fastest, while Britain's Bradley Smith was 11th quickest overall with a best lap of 1:43.997 during the week, though he was only 15th fastest on Sunday.
The season stars in Qatar on March 20.
