Originally Posted by mmarshall

One thing that is interesting about the latest version of the 3.6L V6 is that it uses 5W-30 weight oil, which is somewhat heavier in viscosity than that found in many other new cars today (the four-cylinder hybrid Lacrosse, for example, uses 0W-20). It shows that the engineers were probably more concerned about hot-weather/overheating protection than they were about easy winter-flow starts at very low temperatures.

Originally Posted by LexsCTJill

That is a very interesting observation. What did the 2016 LaCrosse use?

Originally Posted by mmarshall

The V6 used the same grade....don't know about the E-Assist Hybrid.