Amsoil offers three different levels of synthetic motor oil designed for the kind of driving your gasoline powered vehicle is used for.
Signature Series Synthetic Motor Oil
AMSOIL Signature Series Synthetic Motor Oil represents the pinnacle of lubrication science. It is the result of over 40 years of synthetic lubricant engineering. Signature Series provides 75 percent more engine protection against horsepower loss and wear than required by a leading industry standard.*
XL Synthetic Motor Oil
Protection-boost technology maintains maximum wear protection for up to 10,000-mile/six month drain intervals, or longer when recommended in owners' manuals or indicated by oil life
monitoring systems. Excellent for high-mileage vehicles. Save time, money and effort.
OE Synthetic Motor Oil
AMSOIL-engineered for today's sophisticated engines. Advanced synthetic technology resists chemical breakdown for maximum wear protection (and peace of mind) well beyond the traditional 3,000-mile oil change interval.
OE Synthetic Motor Oils AMSOIL OE 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. Part Number: AMSOE Price: Call for Price!
Signature Series Synthetic Motor Oils AMSOIL Signature Series 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. Part Number: ASMSIG Price: Call for Price!
XL Synthetic Motor Oils 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. Part Number: AMSXL Price: Call for Price!