• 75% more engine protection against horsepower loss and wear.¹
• 50% more cleaning power vs. AMSOIL OE Motor Oil
• Protects turbochargers 72% better than required² by the GM dexos1 Gen 2 specification.
• 28% more acid-neutralizing power than Mobil 1.³
• Trusted by professional engine builders
• Guaranteed protection for up to 25,000 miles or 1 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.
³Based upon independent testing of Mobil 1 Annual Protection Full Synthetic 5W-30 and AMSOIL Signature Series 5W-30 in ASTM D2896. Oils purchased in July 2020.

• 64% more protection against oil breakdown¹ than required by the GM dexos1^® Gen 2 specification, ensuring protection in extreme temperatures.
• 100% protection against LSPI²—zero occurrences were recorded throughout five consecutive tests.
• 25% more cleaning power³ to help keep your engine running smoother, longer.
• Provides extended drain intervals up to 12,000 miles or one year.⁴
• Excels in fuel-economy testing, earning the additional "Resource Conserving" designation⁵ from the API.

¹Based on independent testing of AMSOIL XL 5W-30 motor oil in the GMOD engine test required for the GM dexos1 Gen2 specification.
²Based 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.
³vs. AMSOIL OE Motor Oil
⁴See reverse side for details.
⁵Applicable to XL 0W-20, 5W-20, 5W-30 and 10W-30 motor oil.
*All trademarked names are the property of their respective owners and may be registered marks in some countries. No affiliation or endorsement claim, express or implied, is made by their use.

• Fights sludge and deposits with 100% synthetic formulation.
• 47% more wear protection¹ than required by the GM dexos1 Gen 2 specification.
• 100% protection against LSPI² in the engine test required by the GM dexos1 Gen 2 specification.

¹Based on independent testing of OE 0W-20 in the Peugeot TU3M Wear Test as required by the dexos1 Gen 2 specification.
²Based 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.

• Designed for the unique demands of gasoline, diesel and hybrid European vehicles.
• European formula features precise blend of synthetic base oils and premium additives.
• Exceptional engine protection without harming emissions systems.