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 7,156 reviews
5 star rating
Signature series
By
JAMES,
a
Verified Buyer
from
North east
on
October 06, 2026
Great oil
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
Ford explore sport
By
REY,
a
Verified Buyer
from
Colorado
on
October 05, 2026
SUV defiantly feels more responsive and a lot quieter didn’t really think it would make a difference but it sure did.
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
Good oil.
By
WILLIAM,
a
Verified Buyer
from
FL
on
October 04, 2026
Been using this oil for 60,000 miles no issues
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
Great Oil
By
EDWARD,
a
Verified Buyer
on
October 04, 2026
Oil is amazing and burns slow in my engine!!!
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
#1 AMSOIL
By
MICHAEL,
a
Verified Buyer
from
Spring Lake Park
on
October 03, 2026
Best oil in the world!
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
Best oil on the market
By
TIM,
a
Verified Buyer
from
Adel Iowa
on
October 03, 2026
The best oil you can buy.
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
Best Oil
By
Tom,
a
Verified Buyer
from
Boston
on
October 03, 2026
The signature series oil is phenomenal. All Amsoil products are great.
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
4 star rating
Excellent product
By
MIKE,
a
Verified Buyer
from
Medicine Hat
on
October 02, 2026
Just an excellent product. My 2014 tundra runs noticeably better with this product.
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
Great viscosity
By
LEONARD,
a
Verified Buyer
from
NC
on
October 02, 2026
I do replace the oil every 3-5K miles and it works great on my cars. The viscosity is higher than other brands
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
DIY
By
JUSTIN,
a
Verified Buyer
from
UT
on
October 02, 2026
I really like this product the feedback is very good and the protection makes me feel better so I'm doing all the oil on my vehicles with this stuff
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
Signature Series
By
PHIL,
a
Verified Buyer
on
October 01, 2026
Best overall oil for any vehicle, engine starts and runs smoother especially my 5.3 LS, no more tick!
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
The best motor oil made on the planet.
By
MotorOilGeek,
a
Verified Buyer
on
October 01, 2026
Since changing from Mobil1 to Amsoil years ago, i no longer have to "top up" my oil level between oil changes. Not to mention the money I save with the extended drain intervals.
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
Good oil
By
NATHAN,
a
Verified Buyer
from
Minnesota
on
October 01, 2026
I love using amsoil, it is the best oil I have come across. One of my vehicles, 2003 nissan 350z, the motor (VQ35DE) is known for burning oil. With amsoil, very little burns compared to other brands like mobil 1 and valvoline.
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
Great oul
By
TIM,
a
Verified Buyer
on
October 01, 2026
Use it regularly. Oil still looks clean every time I drain it
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
Amsoil, The Best You Can Buy
By
NICK,
a
Verified Buyer
from
Maryland
on
October 01, 2026
I have used Amsoil for many years and swear by it...bar-none, the best on the market!
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
Great Product
By
COREY,
a
Verified Buyer
from
MT
on
September 30, 2026
Overall great oil. However, I wish it can in 5qt jugs. That it pretty nitpicky though.
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
Fast and easy
By
ROBERT,
a
Verified Buyer
from
Staten Island
on
September 29, 2026
Great product use it on all my toys I wish it was 5 quarts instead of four this would make an oil change similar
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
4 star rating
Highly recommended
By
DAVID,
a
Verified Buyer
from
Virginia
on
September 28, 2026
Can’t beat amsoil. Just wish it was sold locally
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
My only company is that it doesn’t come in a 5 quart bottle
By
THOMAS,
a
Verified Buyer
from
Tomball, Texas
on
September 28, 2026
My 2025 forester takes 4.6 quarts of this super thin oil, my only complaint is that I can not get it in a 5 quart bottle.
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
Awesomeness
By
JUSTIN,
a
Verified Buyer
from
Haslet Texas
on
September 28, 2026
I use Amsoil Signature Series in all my vehicles and I believe it is why they are all well over 100k miles and one is over 300k and still running strong. Best fluids out there in my opinion.
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