Amsoil OE 10W-30 Synthetic Motor Oil is specially formulated for the longer oil change intervals recommended by vehicle manufacturers today. Its advanced synthetic technology resists chemical breakdown for maximum wear protection (and peace of mind) well beyond the traditional 3,000-mile oil change interval.
Amsoil XL 10W-30 (XLT) Synthetic Motor Oil is formulated for up to 10,000-miles/six month intervals, or longer when recommended in owners’ manuals or indicated by oil monitoring systems. Provides better wear control, high- and low-temperature protection and increased fuel economy compared to conventional oils.
Amsoil Signature Series 10W-30 Synthetic Motor Oil is engineered to outperform conventional and synthetic motor oils. It combines industry-premier synthetic technology with Amsoil premium additives in a unique formulation that exceeds the higher performance demands of modern engines. Signature Series delivers the performance and value upon which the Amsoil reputation is built. The culmination of more than 40 years of expertise, its exclusive formulation raises the bar for motor oil performance.