What's the 2005 nissan altima 2.5 L oil type?

Its recommended that You use a fully synthetic SAE 5W-30 viscosity motor oil for optimal performance in a 2005 Nissan Altima. By virtue of its 2.5 L engine, it holds a maximum capacity of 4.4 quarts, and takes advantage of the numerous performance benefits offered by fully synthetic oils. That being said, semi-synthetic motor oils can be a viable alternative as well. Many users have reported great performance with a 10w30 viscosity motor oil. You should get Your oil changed every 3500 to 5000 miles for optimal performance. If You cant get Your hands on Nissans first party motor oil, reputed brands like Motorcraft and Castrol serve as viable options as well.