this is the best oil on the market. I trust it in my vehicles
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
Amzoil is one of a number of oils that are superior
By 
GREGG, 
a 
Verified Buyer 
from 
Sometimes Scottsdale sometimes Redondo B 
on 
October 10, 2025
Ames oil is one of a blend of top synthetic oils that I use in my cars, especially an old high mileage car, because using am's oil and a number of the top brands like Penn's oil.
Mobile one.
Royal purple.
Valvolene's top synthetic.
As a blend will bring back an old cars power band
Have used Amsoil for many years, never thought that the oil was unsatisfactory. Always followed time/mileage intervals. During my years, i have only had one engine failure on a vehicle that I bought used (don't know history) that was a catastrophic failure, not caused by oil. I gave used Amsoil in my motorcycles, pickups, sports cars and jeeps. i will continue to use.
I noticed an improvement in performance within 10 miles of driving after my oil change with the AMSOIL 5w20. I've been completely happy with every AMSOIL product I have used. I use it in my Ranger and my small engines including 2 stroke. I recommend AMSOIL to everyone.
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
5w30 high mileage
By 
KEITH, 
a 
Verified Buyer 
on 
September 05, 2025
Better motor sound
Fast temperature
React better, l highly recommend use Amsoil
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
Great product
By 
KEITH, 
a 
Verified Buyer 
on 
September 03, 2025
All there products work great and everything runs smoother and quiter.
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
Trust it!
By 
Chag, 
a 
Verified Buyer 
from 
New England 
on 
September 03, 2025
After trying just about every major brand paying attention GM’s recommendation of Dexos 1,2,3,4 blah blah I heard time and again Amsoil is the way to go. Well for the cost it’s nearly comparable but Amsoil out weighs to competition heavily. Never a click, clack or rattle in my lifters since switching and no issues whats so ever with AFM. I trust it so should you!
My Suburban had 270,000 miles on it when I changed the oil, Amsoil 5w-30,High mileage oil. Went on vacation to Yellowstone shortly after putting 3500 miles on it round trip! My Suburban and Amsoil never let me down!
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