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5W-20 Gasoline Motor Oil

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  • AMSOIL Signature Series 5W-20 100% Synthetic Motor Oil


    A New Level of Motor Oil Technology

    • 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 using the ASTM D6891 standard test.
    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.

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    Current price:

    $18.59

    Retail Price (CAD)
    Preferred Price: $15.29
    Save: $3.30 Learn More
    Current price:

    $18.59

    Retail Price (CAD)
    Preferred Price: $15.29
    Save: $3.30 Learn More
  • AMSOIL Extended-Life 5W-20 100% Synthetic Motor Oil


    • 37% more cleaning power1 to help keep your engine running smoother, longer.
    • Protects against LSPI
    • 20,000 miles of guaranteed protection between changes2

    1Compared to AMSOIL OE Synthetic Motor Oil.
    2Normal Service – Up to 20,000 miles (32,000 km) or one year, whichever comes first, in personal vehicles not operating under severe service.

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    Current price:

    $15.89

    Retail Price (CAD)
    Preferred Price: $13.09
    Save: $2.80 Learn More
    Current price:

    $15.89

    Retail Price (CAD)
    Preferred Price: $13.09
    Save: $2.80 Learn More
  • AMSOIL OE 5W-20 100% Synthetic Motor Oil


    • 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.

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    Current price:

    $12.19

    Retail Price (CAD)
    Preferred Price: $9.99
    Save: $2.20 Learn More
    Current price:

    $12.19

    Retail Price (CAD)
    Preferred Price: $9.99
    Save: $2.20 Learn More
  • AMSOIL 5W-20 100% Synthetic High-Mileage Motor Oil


    • Unique chemistry for vehicles with over 75,000 miles
    • Boosted detergent and dispersant package
    • Enhanced anti-wear additives
    • Reduced sludge by 67%,VV demonstrating cleaning power that helps engines last longer and perform better
    • Guaranteed Protection For 12,000 Miles/1-Year1
    • API Licensed

    1Normal Service – Up to 12,000 miles or one year, whichever comes first, in personal vehicles not operating under severe service.

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    Current price:

    $14.69

    Retail Price (CAD)
    Preferred Price: $12.09
    Save: $2.60 Learn More
    Current price:

    $14.69

    Retail Price (CAD)
    Preferred Price: $12.09
    Save: $2.60 Learn More
  • AMSOIL DOMINATOR® 5W-20 100% Synthetic Racing Oil


    • Formulated specifically for racing & high-performance engines
    • Robust formulation resists viscosity loss
    • Proprietary friction modifier maximizes horsepower & torque
    • Fortified with anti-wear additives for extra protection
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    Current price:

    $22.39

    Retail Price (CAD)
    Preferred Price: $18.39
    Save: $4.00 Learn More
    Current price:

    $22.39

    Retail Price (CAD)
    Preferred Price: $18.39
    Save: $4.00 Learn More
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