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AMSOIL Signature Series 5W-30 100% Synthetic Motor Oil

Product code : ASLQT-EA

5 star rating Read 6,867 reviews

Customer Rating

5

90% would recommend

  • 5 6683
  • 4 130
  • 3 24
  • 2 9
  • 1 21

AMSOIL Signature Series 5W-30 100% Synthetic Motor Oil

5 star rating Based on 6,867 reviews
  • 5 star rating
    Superb Product
    By  KIM,  a  Verified Buyer  from  Livonia MI  on  June 05, 2025
    Test after test after test confirms that Amsoil Signature Series is best oil to be putting in your vehicle, and it's the only oil I purchase for my Honda CR-V.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Oil for Dodge charger srt 392
    By  ROBERT,  a  Verified Buyer  on  June 05, 2025
    First time using this oil and I will forever use it from now on!! My motor sounds much happier with this oil!! Thank you so much AMSOIL!!!
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Great product
    By  T L,  a  Verified Buyer  from  Texas  on  June 05, 2025
    Best motor oil you can buy! What a difference when you do your first oil change with Amzoil. Like two different vehicles!
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Mazda Cx-5
    By  Joey,  a  Verified Buyer  on  June 03, 2025
    Have used this oil on the wife’s Mazda CX-5 for three years. No problems, no leaks, great oil!
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Smooth Sailing
    By  MARC,  a  Verified Buyer  from  Fort Worth, TX  on  June 03, 2025
    I run my TT 22' Mach 1 HP hard, and this oil protects my engine better than any other oil I have used.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Great product
    By  BOB,  a  Verified Buyer  from  Huntertown   on  June 03, 2025
    Great product protects the engine accidentally and I will not recommend any other oil for your engine if you want to keep it running
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Gt350 oil
    By  ALEJANDRO,  a  Verified Buyer  from  North miami  on  June 02, 2025
    Love it, makes the engine sound way less and oil temps be perfect!
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    oil
    By  ANTHONY,  a  Verified Buyer  from  Port Colborne Ontario Canada  on  June 02, 2025
    best oil
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Awesome Product. Highly Recommended.
    By  CURTIS,  a  Verified Buyer  from  Abilene, TX  on  June 01, 2025
    I still have a hard time making myself drive the 25,000 miles between changes. Keeps engine clean, lubricated, and limiting wear.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Amsoil 10w-30
    By  BARRY E,  a  Verified Buyer  from  Cheyenne, Wyoming  on  June 01, 2025
    I have run AMSOIL in my trucks and cars for 40 yr's without one problem
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    AMSOIL for the win
    By  BILL,  a  Verified Buyer  from  Mcbee South Carolina   on  May 31, 2025
    Quick shipping on this. And very happy with AMSOIL
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    2016 Buick Cascada Oil
    By  PORTER,  a  Verified Buyer  from  Korea  on  May 31, 2025
    I have been running this oil in my wife's car since 2016 no issues. seems to work good.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Completely satisfied
    By  JOHNNY,  a  Verified Buyer  from  Peace River, Alberta   on  May 31, 2025
    Got a 2014 Ram 1500 Hemi. Runs great on this oil.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    The best out there. No questions asked!!!
    By  COREY,  a  Verified Buyer  from  GA  on  May 30, 2025
    Did research for awhile now and decided to try it. No complaints, its the best
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Great product
    By  FRED,  a  Verified Buyer  from  Holyoke, CO  on  May 30, 2025
    Peace of mind knowing my engine is getting the best lubrication
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Great oil
    By  KAYCEE,  a  Verified Buyer  from  Fulton   on  May 30, 2025
    Bought this for my 392! Great stuff!
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Amsoil
    By  DOUGLAS,  a  Verified Buyer  from  PNW  on  May 29, 2025
    Another excellent Amsoil product.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Excellent lubricant.
    By  ROBERT,  a  Verified Buyer  from  Iola, Tx  on  May 28, 2025
    Still slick & semi-clean when draining it at <10k miles.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    In all my vehicles
    By  Lee,  a  Verified Buyer  on  May 28, 2025
    The results of oil testing show me less wear than subaru oil, or name-brand 5w-20 suggested in my mechanic circles for modified/performance engines that run 0w-20 in a warm climate. My oil tests show significant wear and oxidation protection package and significantly less wear than "stock" oil or aftermarket "performance" oils I have used.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    This product definitely delivers what it says.
    By  KEITH,  a  Verified Buyer  from  Lancaster, California   on  May 28, 2025
    I have been on the Amsoil team for a year and a half. It definitely makes you car run smoother than ever before. However, I do recommend changing filters half-way between oil changes.
    Bottom Line
    Yes, I would recommend this to a friend.
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