why is RTS relatively so much cheaper than other "synthetic" oils? it's about the same price as other brands' premium dino ????

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My local Wal-Mart has Rotella T Synthetic for $15.97 per gallon.
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"Always"...... Mobil-1 full synthetic!"
You will likely have to modify this statement!
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My local Wal-Mart has Rotella T Synthetic for $15.97 per gallon.
mine too..
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why is RTS relatively so much cheaper than other "synthetic" oils? it's about the same price as other brands' premium dino ????![]()
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Would you use RTS in a Saab 93 after it goes out of warranty? (It doesn't meet the GM LL specs)