I use Amsoil 0w40 in my 2015 Challenger SRT392 along with Amsoil oil filter. I feel it’s the best oil for this car. I’ve been using Amsoil since 1999 and will never change.
Been using Amsoil since 1999 first in my motorcycles and then all of my vehicles starting in 2001 and have never looked back. It’s all I’ll ever use and Amsoil filters. Highly recommend Amsoil to everyone I know, but not all will listen and take advantage of the best oil in the business if you ask me. I use 0w30 in my Ram 1500 with a HEMI of course. And the same in my Jeep Wrangler JKU. LOVE THIS OIL.
I use 0-20 in my bmw x-1 suv, and 5-30 in my wife x-5 they both perform perfectly even the bmw service dept said excellent choice, this speaks volumes for them as they ate the best techs out there Roadshow Bmw memphis tn
Product arrived on time as advertised. Quality, ease of pouring and the clear liquid level gauge is a nice feature. The engine seems to like this oil as there is very little engine noise while running.
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
For Added Protection
By 
GARY, 
a 
Verified Buyer 
from 
South Carolina 
on 
March 30, 2026
Have been running the Signature Series 5W-20 in my son's 2015 F150 with the 5.0 Coyote since we purchased it last year with 148,000 miles. Ran the AMSOIL Engine Flush for 15 minutes before our first oil change with AMSOIL because I want the best protection. Seems to run quieter and hope to get another 150K miles, running all fluids on AMSOIL... Signature Series Engine Oil, Signature ATF, Severe Gear for Differentials, Signature ATF for Transfer Case, P.I. Performance Improver every 4K miles, Upper Cylinder Lubricant, Dominator Coolant Boost
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
Mustang Oil Change
By 
CARROL, 
a 
Verified Buyer 
from 
South Carolina 
on 
March 28, 2026
I’m running a 2019 Sierra with the 6.2L. My truck isn’t in the recall range, but I still want to have the best oil in it. And my employer pays for my oil changes.
I don’t like what I’m reading about the manufacturer’s reasons for using 0W-20/40 in these engines (gas mileage). So I’m using a thicker oil. I’m seeing zero difference in mileage since I switched to this oil, which is good.
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
Best oil
By 
BENITO, 
a 
Verified Buyer 
on 
March 25, 2026
After 20k miles still good
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
25k
By 
BENITO, 
a 
Verified Buyer 
on 
March 25, 2026
I change it every year less than 25k miles and the oil viscosity still good
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
Nothing better for your engine.
By 
ROLAND K, 
a 
Verified Buyer 
from 
Silverwood, Michigan 
on 
March 25, 2026
I use this in every gas vehicle engine I own(5). I change it every 5k with and Amsoil filter & never a mechanical problem.
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
0-20
By 
CHRIS, 
a 
Verified Buyer 
on 
March 25, 2026
Works great
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
Great product
By 
SUNNY, 
a 
Verified Buyer 
on 
March 25, 2026
Arrived on time, works like it should have no complains.
Just started using in my Toyota Tacoma (very happy) I finally came around on my every day truck and soon my wife's car. I always use Amsoil Z-rod in my old Corvette and think I will be all set now will my oil changes.
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