The regular 10w30 Pennz conventional looked impressive at PQIA also. I use that stuff in my 2006 Cadillac CTS 3.6 even though GM recommends Mobil 1 5w30. Engine is still in top form and car is in great shape. Will keep it around for a lot longer.
Freedom is not about having the choice to do what you want, but the choice to do what you ought.