I have been using only AMSOIL Full Syn oils in all my vehicles for years now and I remain convinced that this product is the best choice for my vehicles!!
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
Weak shipping box
By 
TOM, 
a 
Verified Buyer 
from 
new york 
on 
October 28, 2025
Multiple items in one box . Box side opposite tape was blown wide open. Could have lost all or some of the items.Again i am not happy with the pkg. Shippers are stressed and not careful so adjust your packing.
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
Love it!
By 
JEFFREY, 
a 
Verified Buyer 
on 
October 28, 2025
Been using it since I got my truck a year ago, will keep using it until I need to transition to high mileage!
I have been a customer of Amsoil for years now. This oil gives me great confidence that my vehicle is running under the best protection possible in terms of oil and filters. The research that Amsoil continues to conduct add to that confidence that they will continue to pu best efforts into constant product improvement.
This has been the only oil in my engine since it's first oil change. 100,000 Kilometers (62000 miles) later and the bore scope shows a spotless engine. Solid insurance.
It’s true AMSOIL is outdated, but in a good way. Nowadays companies pitch a whole lot of fluff stating their products are the best and list a bunch of “scientific terminology” to persuade customers to buy into their cheaply made products. This is where AMSOIL is outdated because they take pride and truly stand behind their products like companies use to do in the good ole days, while still advancing their lubricants (oil, transmission fluid, coolant, brake fluid, etc.). They’re underrated because when it comes to the government setting the bar on classification labels AMSOIL says that’s not good enough and sets the bar even higher. Long story short, AMSOIL is the bar and no other mega company comes close.
More power, better gas mileage, smoother running engine it sounds like and feels like it doesn't have to work so hard to get the same power as before. I'm homeless so I idle my car a lot summer/winter since I idle much more than a taxi cab or police officer remember I live out of my car year round I might go with 5w40 next time instead of factory recommended 5w30 this oil ain't no joke!!! 2005 Toyota Solara V6 SLE
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
Best oil on the market
By 
CURTIS, 
a 
Verified Buyer 
on 
October 20, 2025
Great products, fast shipping Amsoil is the best period!
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