Synthetic Motor Oil

Compare AMSOIL's synthetic motor oil lines — engineered for maximum protection, fuel efficiency, and extended drain intervals across all passenger vehicle applications.

AMSOIL Extended-Life 100% Synthetic Motor Oil | 20,000-Mile Protection

AMSOIL Extended-Life Synthetic Motor Oil delivers up to 20,000-mile drain intervals. Resists oil breakdown, protects against LSPI, and keeps engines clean. Available in 5 viscosities.

0W-20 5W-20 5W-30 10W-30 10W-40

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AMSOIL 100% Synthetic High-Mileage Motor Oil | Engines Over 75,000 Miles

AMSOIL 100% Synthetic High-Mileage Motor Oil is engineered for engines with over 75,000 miles. 67% sludge reduction and up to 62% better deposit prevention than competing high-mileage oils. Boosted seal conditioners help stop leaks.

0W-20 5W-20 5W-30 10W-30

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AMSOIL 100% Synthetic Hybrid Motor Oil | HEV & PHEV Engine Protection

AMSOIL 100% Synthetic Hybrid Motor Oil is purpose-built for hybrid electric and plug-in hybrid vehicles. Up to 16% better low-temperature viscosity than Mobil 1 Hybrid 0W-20 in Cold Crank Simulator testing. Available in 0W-8, 0W-16, and 0W-20.

0W-8 0W-16 0W-20

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AMSOIL Signature Series 100% Synthetic Motor Oil | Advanced Protection

AMSOIL Signature Series provides 75% more engine protection against wear. Extended drain intervals up to 25,000 miles. Available in 8 viscosities.

0W-20 5W-20 0W-30 5W-30 10W-30 0W-40 5W-50 0W-16

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AMSOIL Synthetic-Blend Motor Oil | Boosted Protection Over Conventional

AMSOIL Synthetic-Blend Motor Oil with greater than 50% synthetic content delivers boosted protection over conventional oils. Engineered for turbocharged and direct-injection engines. Available in 0W-20, 5W-20, 5W-30, 10W-30, 10W-40, 20W-50.

0W-20 5W-20 5W-30 10W-30 10W-40 20W-50

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