Phosphate free antifreeze
Use Porsche antifreeze. Get it from the dealer or online.
I use Mobil 1 10w30 works well with good quality filter.
Regular antifreeze such as, green, or red!
It uses phosphate free antifreeze to which is an anti corrosive.
It's the pink antifreeze
Use antifreeze labeled as being "Dexcool approved". It'll typically be orange.
You can use any kind of antifreeze as long as it is a 50/50 mixture. Name brands are probably better to use.
The 2012 Porsche Cayman runs on premium unleaded (required).
The 2006 Porsche 911 runs on premium unleaded (required).
The 2004 Porsche 911 runs on premium unleaded (required).
The 2013 Porsche 911 runs on premium unleaded (required).
The 2012 Porsche 911 runs on premium unleaded (required).