The main keys are weight and formulation. Weight is the number you'll find in the car's manual and on bottles of engine oil.

In colder temperatures, thinner single-grade oil typically performs better in engines. Multigrade engine oil like SAE 5W-30 ...

This upgrade involves not only moving from API CF (1994) to API CH-4 (1998) but also moving from a monograde to a multigrade engine oil. Multigrade engine oils are specifically formulated for ...