AMSOIL vs Mobil 1
By Vyscocity Inc. |
Bottom line: Both are quality synthetics. AMSOIL wins on drain interval (up to 25,000 miles vs. 15,000), base oil purity (Group IV/V vs. Group III), and lab-verified TBN and volatility performance. For passenger cars either works. For diesel trucks, fleets, and high-load applications, AMSOIL’s margin is significant. AMSOIL vs Mobil 1: Head-to-Head Comparison Category AMSOIL…




























































































































































