Dexos1 is suitable for gasoline engines only, whereas Mobil1 is a good buy for the modern turbocharged engine. Let us see some more comparison between ACDelco Dexos1 Full Synthetic VS Mobil 1 has indulged too. Table of Contents ACDelco Dexos1 Full Synthetic VS Mobil 1: Which brand is better? Mobil 1 IS Dexos1 approved. Look at the label. I have indicated it with red in the picture below. To maintain your warranty without any questions or hassles, you MUST use a Dexos1-approved 5W30 oil (other than while on the track and switching to 15W50 oil). Three of our 5W-20 oil carry the dexos®1 approval specified for General Motors vehicles. *The dexos® specification and trademark are exclusive to General Motors, LLC. What do the numbers in 5W-20 mean? The numbers refer to the weight and thickness, or viscosity, of the oil. Motor oil gets thicker when it's cold and thinner when it heats up. General Motors recommends the use of dexos™ approved engine oils for global factory and service fill in spark ignited and diesel engines. Importantly, the number of brands with dexos approved licenses varies over time. The list of Licensed dexos® brands is updated quarterly, with the most recent update on December 16, 2020. GM Powertrain has tested, validated and approved the use of 0W-20 dexos1™ as an acceptable substitute and optional top off and service fill for these vehicles. dexos1™ Information Website Refer to the following General Motors website for dexos1™ information about the different licensed brands that are currently available. Go to: dexos™1 Gen 2: 5W-30: D10107GH015: Mobil 1 SAIC-GM: ExxonMobil Oil Corp. dexos™1 Gen 2: 0W-20: D10847IF015: Mobil 1 X1: ExxonMobil Oil Corp. dexos™1 Gen 2: 5W-30: D10279HC015: Mobil 1: ExxonMobil Oil Corp. dexos™1 Gen 2: 0W-20: D10101GH015: Mobil 1: ExxonMobil Oil Corp. dexos™1 Gen 2: 0W-30: D10102GH015: Mobil 1: ExxonMobil Oil Corp LxkN.

is mobil 1 5w20 dexos approved