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AMSOIL Signature Series 10W-30 100% Synthetic Motor Oil

Product code : ATMQT-EA

5 star rating Read 6,845 reviews

Customer Rating

5

90% would recommend

  • 5 6662
  • 4 130
  • 3 23
  • 2 9
  • 1 21

AMSOIL Signature Series 10W-30 100% Synthetic Motor Oil

5 star rating Based on 6,845 reviews
  • 5 star rating
    Best in class
    By  HUGH,  a  Verified Buyer  on  February 18, 2026
    I’ve been using Amsoil for 2 decades and never had a engine failure.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Oil
    By  ALBERT,  a  Verified Buyer  from  PA  on  February 17, 2026
    Great product, love recommending it.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Mr cheapo
    By  GREG,  a  Verified Buyer  from  Philly  on  February 16, 2026
    The original synthetic is still the best. My 2011 Focus has 3000,000 miles. Does not use any none zilch zip nadda oil. I will never use any other brand at sny price.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Good
    By  JUANcho ,  a  Verified Buyer  from  Californiana   on  February 16, 2026
    Muy bueno excelente
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  • 5 star rating
    Great product.
    By  TIM,  a  Verified Buyer  on  February 16, 2026
    Easy to read measurements on the side of the container.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Way better than OEM engine not noise at all
    By  PAUL,  a  Verified Buyer  from  Edmonton   on  February 16, 2026
    Just great oil
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Gt350
    By  HICHAM,  a  Verified Buyer  from  Richmond va   on  February 15, 2026
    Good quality. Im satisfied with this oil
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Great oil
    By  Steve,  a  Verified Buyer  from  Kentucky   on  February 13, 2026
    I’ve been using Amsoil for several years now. It’s not cheap, but well worth the price.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Great product
    By  TERRY,  a  Verified Buyer  from  Manitoba Canada   on  February 13, 2026
    Amsoil has protected me for years now all my engines never had an issue. All the research I’ve done leads to amsoil being the superior product among the oil masses
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Oil
    By  DMITRIY,  a  Verified Buyer  from  Ohio  on  February 12, 2026
    Awesome product Affordable Came super fast And most of all got some free stickers
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Excellent Oil
    By  ALAN,  a  Verified Buyer  from  Bozeman, MT  on  February 12, 2026
    I have read about and watched many lubricant testing videos, and Amsoil always comes out in the top 3, so I believe in their products.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Best Oil On The Planet
    By  CURTIS,  a  Verified Buyer  from  Taylor County Texas  on  February 12, 2026
    This is the best investment for you engine you can make. Do mid-cycle oil filter changes with a good filter.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    LT1 Engine Oil
    By  DANNY,  a  Verified Buyer  from  TX  on  February 11, 2026
    Quality product, and great customer service
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    When nothing but the best is called for.
    By  PHIL,  a  Verified Buyer  from  Earth  on  February 11, 2026
    After viewing numerous reviews comparing motor oils on YouTube. I came to the conclusion that 0W-40 Amsoil Signature was, without a doubt, the best. When you are protecting a twin turbo engine, nothing else is better than Amsoil 0W-40. Nothing.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Good oil
    By  VINCENT,  a  Verified Buyer  on  February 11, 2026
    Very good engine oil
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Only oil I use now period
    By  ANTHONY,  a  Verified Buyer  from  NC  on  February 10, 2026
    Love all there products
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    They say all oil is created equal.
    By  JASON,  a  Verified Buyer  on  February 10, 2026
    This can be further from the truth. I have an 07 Jeep SRT 8. The previous owner was using another top oil brand. And after my truck would get to optimal running temperature. My oil pressure at idle would drop to 9-10 psi. I changed the oil after 3k miles and heard great reviews on AMSOIL. I used Amsoil Signature series oil. And my oil pressure at running temperature is appro 24-26psi. I will definitely spend the little bit more money. Knowing AMSOIL is absolutely Superior. Customer for life.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    The only oil you need
    By  LUKE,  a  Verified Buyer  from  Silver Spring, Maryland  on  February 09, 2026
    I’ve been running AMSOIL in my 2020 Jeep Gladiator Mojave and I’m seriously impressed. The engine runs noticeably smoother and quieter, even after long drives and hard use. I do a mix of highway, city, and off-road driving, and AMSOIL has held up perfectly in all conditions. Throttle response feels sharper, and I’ve had zero issues with performance or oil consumption. It gives me real peace of mind knowing my Gladiator is protected, especially in extreme heat and rugged terrain. Definitely worth the investment—I’ll be sticking with AMSOIL from here on out.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Best oil on the Market
    By  SHAWN,  a  Verified Buyer  on  February 09, 2026
    I’ve used this oil for over a decade. It’s kept 2003 Toyota running at peak performance.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Better Protection
    By  JON,  a  Verified Buyer  from  Boise  on  February 08, 2026
    At the recommendation of my mechanic I recently switched from 5w-20 to 5w-30 in my 2012 Honda Accord. The first thing I noticed was the engine sounded much quieter both at idle and while driving. I had recently noticed that the 5w-20 was being consumed at around one quart per 3500 miles. While not high consumption, I’m hoping to slow it down. Expect to push this car passed 400k miles.
    Bottom Line
    Yes, I would recommend this to a friend.
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