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Customer Ratings & Reviews

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
    Oil
    By  RAFAEL,  a  Verified Buyer  on  December 07, 2025
    The best oil you will find
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Oil
    By  RAFAEL,  a  Verified Buyer  on  December 07, 2025
    Best oil in the market.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    0-40 for C7 Grand Sport
    By  Dave ,  a  Verified Buyer  from  New Hampshire   on  December 06, 2025
    Was using GM recommended oil in C7 Grand Sport noticed oil pressure drop off during hot track days friend uses and recommend Amsoil although late in season ran 2 more track days oil pressure remained steady did not drop off as much
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    A+
    By  ALLEN,  a  Verified Buyer  on  December 06, 2025
    A+
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Oil
    By  RAFAEL,  a  Verified Buyer  on  December 06, 2025
    Best oil i recommend
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    First time
    By  Jose,  a  Verified Buyer  from  Naples   on  December 05, 2025
    It’s my first time using this oil , and I hope the best performance for my truck, I’m driving 2024 Titan sv
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Nothing Beats Amsoil
    By  BLAIR ,  a  Verified Buyer  from  CA  on  December 04, 2025
    Been using Amsoil for 20+ years and if there was something better I would use it, but there's not!
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Protection
    By  STAN,  a  Verified Buyer  from  Florida  on  December 04, 2025
    Great oil for your engine with outstanding protection!
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Best oil out there
    By  Mich,  a  Verified Buyer  from  Miami fl  on  December 03, 2025
    Used on my ram 1500 5.7 and i couldn’t be happier, every once in a while i check the dipstick and its still golden which is crazy
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Amazing Product
    By  JORGE,  a  Verified Buyer  from  Houston  on  December 01, 2025
    Great oil, extremely great quality and I am very satisfied and will continue to purchase amsoil.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Great oil
    By  DAVID M,  a  Verified Buyer  on  November 30, 2025
    Great oil
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  • 5 star rating
    Happy Happy
    By  DAVID M,  a  Verified Buyer  on  November 30, 2025
    Extremely happy with this product.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Gt350 2017
    By  PATRICK,  a  Verified Buyer  from  Louisiana  on  November 30, 2025
    No issues, been good so far, used this due to my experience running amsoil in an exoboost, i expect a similar result
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Fast Shipping & Easy To Order
    By  ROBERT,  a  Verified Buyer  from  San Diego  on  November 30, 2025
    Everything’s easy to find, and I get free shipping every time I order my case of oil. Plus, it always arrives fast.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    synthetic oil
    By  DANNY,  a  Verified Buyer  from  Georgia  on  November 30, 2025
    I'm a 50 year technician and my entire carrier has been to do the best repairs for my customers. A very good oil is pertinent to a good repair. AMZOIL does that for me and my customers.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Quiets motor noise
    By  VICTOR,  a  Verified Buyer  on  November 30, 2025
    Switched my 2003 honda crv 240,000 Miles over to amsoil 5W20 and like my other vehicals the result was a quieter, cleaner and smoother running engine, Amsoil doesn't stop amazing me everytime.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Best Oil for my 2020 4Runner
    By  JAMES,  a  Verified Buyer  from  Cleveland, Ohio  on  November 29, 2025
    Only the best oil for one of the best off road vehicles made. Goal of 500,000 miles. So just getting started with the right oil!
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Best Oil Amsoil has
    By  JAMES,  a  Verified Buyer  from  Cleveland, Ohio  on  November 29, 2025
    Bought it for a 2025 Toyota Highlander Hybrid when Amsoil was the only oil I could find in 0W-16. Very happy with it and sticking with it!
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Oil
    By  PAUL,  a  Verified Buyer  on  November 27, 2025
    High quality oil
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Oil
    By  PAUL,  a  Verified Buyer  on  November 27, 2025
    Very good oil and American 🇺🇸 made.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?

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