What kind of oil does the 2015 Toyota Highlander use?

The oil type used on the 2015 Toyota Highlander is SAE 0W-20. If You happen to not be able to find SAE 0W-20, then You can use SAE 5W-20 in its stead. Just remember, on Your next oil change, make sure You go back to SAE 0W-20. That viscosity is the recommended F-TYPEor Your motor to perform at its best. If You're also curious to know what the capacity is on Your vehicle, then it depends on the size of Your engine. For the 2.7L 4Cylinder engine, the capacity iS4.6 quarts with a filter and 4.2 quarts without. The 3.5L V6 engine has a capacity of 6.4 quarts with a filter and 6 quarts without.