i have a 2wd subaru wagon with 187k miles it leaks oil, what type of oil should i put into the car?

The same that the Owner's manual stated,

 

But you might find useful info, here:

 

~► http://www.ultimatesubaru.org/forum/topic/126284-how-to-determine-which-is-the-best-motor-oil-for-your-car/

 

And you should Fix that Leak... 

 

Kind Regards.