The Critic
Thread starter
Originally Posted by tig1
M1 oils at 10K OCIs are probably cheaper in the long run.
I wasn't planning to run QS at a shorter interval, if that's what you are implying.
Originally Posted by NO2
Key reason not to is because you have to purchase large quantities to get the better pricing. That's fine if you have several vehicles, but not so good for a single care used sparingly.
M1 after rebate is the same price. QSUD doesn't have a 0w-20, at least at WM.
Between friends and family, I probably go thru 120-140 quarts per year.
M1 oils at 10K OCIs are probably cheaper in the long run.
I wasn't planning to run QS at a shorter interval, if that's what you are implying.
Originally Posted by NO2
Key reason not to is because you have to purchase large quantities to get the better pricing. That's fine if you have several vehicles, but not so good for a single care used sparingly.
M1 after rebate is the same price. QSUD doesn't have a 0w-20, at least at WM.
Between friends and family, I probably go thru 120-140 quarts per year.
Last edited: