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Does Mobil 1 make a Dexos oil?

Yes, Mobil 1 does offer a Dexos-approved motor oil. Mobil 1 is a leading brand of synthetic motor oil, and they have developed several Dexos-certified formulations to meet the latest General Motors (GM) specifications for engine oil performance.


What is Dexos Oil?


Dexos is a set of engine oil specifications developed by General Motors (GM) for use in their vehicles. The Dexos standard was introduced in 2011 and has since been updated to Dexos1 Gen 2 and Dexos2 to keep up with evolving engine technology and lubrication requirements. Dexos-certified oils are designed to provide superior engine protection, fuel efficiency, and emissions control in GM vehicles.


Mobil 1 Dexos-Approved Oils


Mobil 1 offers several motor oil formulations that are Dexos-approved, including:



  • Mobil 1 Advanced Fuel Economy - Meets Dexos1 Gen 2 specifications for gasoline-powered GM vehicles.

  • Mobil 1 ESP Formula - Meets Dexos2 specifications for diesel-powered GM vehicles.

  • Mobil 1 Extended Performance - Also meets Dexos1 Gen 2 requirements.


These Mobil 1 oils are designed to provide the performance and protection required by GM engines, while also offering benefits like improved fuel economy and extended oil change intervals.


Importance of Dexos-Approved Oils


Using a Dexos-certified motor oil is important for GM vehicle owners, as it ensures the oil meets the specific performance standards set by the automaker. Using a non-Dexos oil could potentially void the vehicle's warranty or lead to accelerated engine wear and reduced fuel efficiency. By choosing a Mobil 1 Dexos-approved oil, GM owners can have confidence that their engine is receiving the proper lubrication and protection.

What brand of oil has dexos in it?


Licensed dexos1 Gen 2 brands

Brand NameSupplierSpecification
ACDELCO FULLY SYNTHETIC ENGINE OILExxonMobildexos™1 Gen3
ACDELCO FULLY SYNTHETIC ENGINE OILExxonMobildexos™1 Gen3
ACDelco Long Life Synthetic dexos1 Gen3ExxonMobildexos™1 Gen3
ACDelco Long Life Synthetic dexos1 Gen3General Motorsdexos™1 Gen3



What is the best synthetic oil for GMC?


Here are the oil brands recommended by GM:

  • ACDelco Gold Conventional Oil. Offers quality engine wear and corrosion protection.
  • ACDelco Dexos1™ Full Synthetic. Offers high resistance to oxidation and oil break-down.
  • Mobil1™ Advanced Full Synthetic.



Do I really need to use dexos oil?


Yes, you absolutely need Dexos-approved synthetic oil in your 2.5L engine. Do not put conventional oil in your car.



How do I know if my oil is dexos?


dexos® licensed products are easy to identify. Simply look for the dexos® icon on the front label and the 11 digit alphanumeric dexos® license number on the back label.



Is Mobil 1 the best synthetic oil on the market?


Mobil 1™: A Track Record of Performance
Since it was brought to market more than forty years ago, Mobil 1™ has been the frontrunner in synthetic engine lubrication both on the racetrack and off.



Does Mobil 1 have dexos?


Mobil 1™ ESP Formula 0W-40 is the first and only dexos2™-approved motor oil developed specifically for Chevrolet Corvettes. Upgrading to Mobil 1 ESP Formula 0W-40 will help reduce oil consumption and provide maximum performance.



What brand of oil do GMC dealerships use?


From conventional to full synthetic, your Certified Service experts offer a range of oil types, including ACDelco Conventional Oil, ACDelco dexos1™ Full Synthetic, and Mobil 1™ Full Synthetic. Ask the experts which grade of oil you should use for your specific model.



What brand of oil do GM dealers use?


Mobil 1
If your dealership is doing your oil change correctly with oil approved by GM and charging you appropriately, they're using Mobil 1 0W-40 Supercar.



What synthetic oil does GM recommend?


ACDelco GM Original Equipment dexos™1 GEN 3 Full Synthetic 5W-30 Motor Oil - 1 qt.



What oil is comparable to dexos?


Many major oil brands carry dexos-compatible motor oils, which you can identify by the dexos icon on the front label. Mobil 1's Chevrolet-specific motor oils meet dexos1, dexos2, and dexosD specifications. Castrol and CAM2 also offer engine oils that meet dexos1 Gen 3 specifications.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.