Three Tiers of AMSOIL Protection: Signature Series Synthetic Motor Oil, XL Synthetic Motor Oil, and OE Synthetic Motor Oil

AMSOIL offers three tiers of proven protection for whatever you drive.

Signature Series Synthetic Motor Oil

Signature Series 100% Synthetic Motor Oil provides engine protection that blows the doors off the highest industry standards.

• 75% more engine protection against horsepower loss and wear._¹
• Protects turbochargers 72% better than required by the GM dexos1® Gen 2 specification.²
• 50% more cleaning power vs. AMSOIL OE Motor Oil.
• Guaranteed protection for up to 25,000 miles (40,200 km) or one year.

¹Based on independent testing of AMSOIL Signature Series 0W-20, in ASTM D6891 as required by the API SN specification.
²Based on independent testing of AMSOIL Signature Series 5W-30 in the GM turbo coking test.

XL Synthetic Motor Oil

• 64% more protection against oil breakdown³ than required by the GM dexos1 Gen 2 specification.
• Engineered for advanced automotive technology, including turbos and direct injection.
• 100% protection against LSPI⁴ – zero occurrences were recorded throughout five consecutive tests.
• 25 percent more cleaning power⁵ to help keep your engine running smoother, longer.

XL Synthetic Motor Oil is the choice for those who want to do something extra for their vehicles.

³Based on independent testing of AMSOIL XL 5W-30 motor oil in the GMOD engine test required for the GM dexos1 Gen2 specification.
⁴Based on zero LSPI events in five consecutive tests of AMSOIL XL 5W-30 Motor Oil in the LSPI engine test required by the GM dexos1 Gen 2 specification.
⁵vs. AMSOIL OE Motor Oil

OE Synthetic Motor Oil

OE Synthetic Motor Oil is for mechanics and drivers seeking peace-of-mind protection and exceptional value in synthetic motor oil.

• Excellent protection for advanced automotive technology, including turbochargers and direct injection.
• 47% more wear protection⁶ than required by the GM dexos1 Gen 2 specification.
• 100% protection against LSPI⁷ in the engine test required by the GM dexos1 Gen 2 specification – zero occurrences were recorded throughout five consecutive tests.

⁶Based on independent testing of OE 0W-20 in the Peugeot TU3M Wear Test as required by the dexos1 Gen 2 specification.
⁷Based on zero LSPI events in five consecutive tests of AMSOIL OE 5W-30 Motor Oil in the LSPI engine test required by the GM dexos1 Gen 2 specification.