Originally Posted By: SR5
It's not a reflection of how they expect it to be driven, is it ???
I'd almost think it was, since it is the same engine, and same oil requirements in North America between the two models. I drive the G37 like a grandma, so I'm sure that 5w30 SN/GF-5 is more than enough. Besides, there is a limp mode in these engines (in both cars) if the oil gets too hot.