Help needed!!

In december i'm going to Prague for a week. Also will be one day in Stuttgart. What should I do to make an excursion in Porsche Factory? Should I order an excursion couple of days before coming to Stuttgart, or it's daily excursion??

Will glad to get any information and advices.

Thank you!


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2008 Range Rover Sport Supercharged

2007 997 GT3

2006 Mercedes G500

1993 964 Turbo (Sold)