It's acceptable to use 0W-20 engine oil in place of 5W-20 or even 10W-20, since the number preceding the W refers to its low-temperature viscosity. However, you should match the oil grade exactly ...

Popular oil types include 5W-30, 10W-30, and 0W-20. However, that's a small sampling of the oils you'll encounter in modern cars, and many newer vehicles are now rolling off the lots with ...