Originally Posted by Accord1278
How is it the same, please explain? Then why is the "regular stuff" like Penzoil, etc like a little over $1/qt. and the Mobile is close to $5.50/qt? Correct me if I'm wrong, but I've never ever seen the "regular stuff" give you a 15k mile guarantee, or any guarantee what-so-ever anytime.
I think Jerry's saying it's the same as 'regular' Mobil 1 synthetic. Still, it isn't the same. Check bobistheoilguy.com for details, but I'm pretty sure there's a larger dose of additives in the long-life stuff. Look for virgin oil analyses & check out the TBN values...