AMSOIL Signature Series 5W-50 100% Synthetic Motor Oil
AMRQTC (AMRQTC-CA)
946 ml Bottle
Case of 12
AMSOIL Signature Series 5W-50 100% Synthetic Motor Oil
AMR55 (AMR55-EA)
55 Gallon Drum
Each
AMSOIL Signature Series 5W-50 100% Synthetic Motor Oil
AMSOIL Signature Series 5W-50 100% Synthetic Motor Oil
5 star rating
Based on 6,876 reviews
5 star rating
Best oil on the market..
By 
JEFFREY, 
a 
Verified Buyer 
from 
Silver Point TN 
on 
May 25, 2026
I’ve used Amsoil products for 15 years in all my vehicles, side by sides, motorcycles and machines. Every one still running strong without issues. I love the fact that all can be purchased as complete kits through Amsoil.
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
purchase of product
By 
DOUG, 
a 
Verified Buyer 
on 
May 24, 2026
as always very pleased your product. Have been using it for years in race car and road cars
Obviously not a sports or muscle car, but I simply want the best lubrication and filtration available for my 2018 Honda Civic LX 1.5L Turbo and long engine life. The known fuel dilution issue with this engine is another reason for my choice of AMSOIL Signature Series 0W20 for my vehicle. I have also settled on WIX XP as my oil filter of choice.
Cheap insurance. I go to 50% oil life or 6to7 months. Best oil and filter you can buy.
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
New oil
By 
RICHARD, 
a 
Verified Buyer 
from 
Lake Havasu, Arizona  
on 
May 23, 2026
I'm trying this oil after some research and switching from vavoline restore and protect. Not that it was a bad oil ,I cleaned my engine with it and then went with amsoil for the superior protection and extended oil change intervals. So far got 700 miles and still clean .I'm going to change at 7500.
Because of Larry Perry's recommendation of Amsoil, I will never put any other oil in my car.
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
Best oil
By 
JEREMIAH, 
a 
Verified Buyer 
on 
May 22, 2026
My truck runs much better now that I’ve switched to this oil. I changed it about 3 weeks ago and I can tell a big difference. Looking forward to seeing how it runs after a few months
This oil has been without a doubt the best Ive ever used in a motor. My 2025 Wrangler 2.0L Turbo was very noisy from the factory. After an oil change using Amsoil my motor has never run smoother and quieter than it does now.
My husband was an Amsoil user for many products before his death and was totally convinced that Amsoil was the best product to use. He used their oil in all his equipment, truck, car, yard tractor and snowblower. He would always recommend it to everyone he knew. Since he has been gone, I have picked up on his recommendations and I would never use anything but Amsoil oil.
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
Nothing better than Amsoil for my 2011 toyota yaris.
By 
MARK, 
a 
Verified Buyer 
on 
May 21, 2026
This is the oil I hope to use for the life of my car.
Amsoil is the best motor oil you can put in your car or truck. I have never had issues with this motor oil and even when I do go 5000 miles between changes the oil looks almost like it’s brand new. A motor oil may cost a little more, but believe me in the end your engine will thank you.
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
Made the change
By 
JOSE, 
a 
Verified Buyer 
from 
High Sierra, California  
on 
May 20, 2026
Made the change 2 years ago and haven't used any other brand of oil since. My truck seems to like Amsoil and the performance is excellent. I can wholeheartedly say I will only use Amsoil in the future, as long as they keep the quality and care in their products. Their oil change kit is so convenient and considerate, they send you literally everything you need to do the job. And it's little things like that, that shows the care and pride that they have in their products. And that is something that I appreciate and respect. Every product I've tried or used from Amsoil is top tier. Definitely a company I can stand beside.
Been using this oil ever since 2020, and have used it on other cars as well. It has served me well, as I send my oil in for analysis, and it always comes back positive! I use this oil in the winter here, so it warms up quicker, but in the hot summers I use a little a thicker oil...same brand!
Vehicle runs much smother and shifts perfectly as well as receiving better fuel economy
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
The best ever!
By 
TODD, 
a 
Verified Buyer 
from 
Minnesota the Commie State 
on 
May 14, 2026
I’ve used Amsoil for about 30 years now. It’s always been good to me. I will continue to use it until I no longer can! Thanks Amsoil!!
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
The one and only
By 
NELSON, 
a 
Verified Buyer 
from 
New York  
on 
May 14, 2026
Nothing beats Amsoil!!
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
Great product
By 
Bama68 , 
a 
Verified Buyer 
from 
North Carolina 
on 
May 13, 2026
Have always been impressed with Amsoil products. Ran Amsoil products through my Late model Dirt car. I got to the protection first hand. After that I put in my personal vehicles. Do the math and you actually save money protecting your vehicles with Amsoil products
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