Hey guys quick ? what is the best fully synthentic motor oil to use, just want to know the best one for our aspen since we are getting our first oil change for it tomorrow. our oil is 5W-20, so which one you guys think is the best one to use for the money one thats great for the engine and the car and helps it really well in terms of long life and preformance. The suv only has 60k miles. Thanks