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? O.k. I'm ready to change the oil, the cruze is got 2000 km ( 1600 miles ). I know it's pre-mature, but I always remove factory oil within 2000 km, and go with the OLM after that, using synthetic oil. The problem I'm facing is, I can't find new stock of mobil1 with the dexos approved label on. I Mobil Full Synthetic has met or exceeded Dexos 1 Gen3 in 5W-30 since the beginningit appears that Mobil Super Synthetic as well in both 5W-30 and 0W-20has GM recommended or required Gen3 Dexos one Gen2 in anything yet??? Bill Please note: GM dexos 1 Gen 3 engine oils exceed the performance of GM dexos 1 Gen 2 engine oils and are backward compatible, therefore vehicles that previously used GM dexos 1 or GM dexos 1 Gen 2 will use a GM dexos 1 Gen 3 or GM dexos R licensed engine oil of the appropriate viscosity grade at their next oil change. 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. 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. RnOqgR.

is mobil 1 5w20 dexos approved