Dexos 1 or Dexos 2? What’s the Difference?

In truth the difference is relatively simple. dexos 1 oils are for gasoline engines and appear to be primarily aimed at the North American vehicle market. dexos 2 oils are for diesel engines (and for European gas powered engines). Often dexos 2 oils will meet API gas engine specs such as API SN, so you may be able to use a dexos 2 motor oil in a gas engine, so long as it meets the requirements for your application.