Who makes GM/Delco's oil?

esac42

Sustaining Member
24
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Baltimore MD
Buick Ownership
2017 Regal Sports Touring 2.0 turbo; LTG engine.
GM assembles car. I don't think they have a refinery that cranks out their oil. Does anyone knows who makes the dexos 1 oil?
 

mitchflorida

Buick Newbie
318
93
28
South Florida
Buick Ownership
2016 Summit White Regal, Premium II, Moonroof, Driver Confidence Package
GM assembles car. I don't think they have a refinery that cranks out their oil. Does anyone knows who makes the dexos 1 oil?
Exxon Mobil, the same people who make Mobil One, though it probably isnt the same formula.
 
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