just noticed the 5qt mobil 1 is dexos gen 2 approved, and the 1 qt

dexos 1 vs. dexos 2- What is GM dexos Oil?

2 pack) Mobil 1 Advanced Full Synthetic Motor Oil 5W-30, 5 Quart

Dexos1 Gen3 motor oil spotted in the wild.

Pennzoil Full Synthetic Motor Oil SAE 5W-20 Motor Oil 5Qt

Mobil 1 Extended Performance Full Synthetic Motor India

Engine Oil

Pennzoil Platinum High Mileage SAE 5W-30 Full Synthetic Motor Oil

dexos®1 Gen 2

Mobil 1 5w-20 No Longer Dexos

Does it matter whether I use AC Delco Dexos or Mobil 1 fully

Engine Oil

What's the difference between Dexos and synthetic oil? - Quora