I watched "project farm" test a bunch of top brands on youtube, and Amsoil won EVERY test! I am sold on ALL of their products now. Quit wasting your money on inferior products!
Been using Amsoil for 25 years
personally I wouldn’t use anything else, just knowing it’s the best, gives me peace of mind.
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
10w-40 synthetic
By 
GREG JESSE, 
a 
Verified Buyer 
from 
OAK RIDGE,TN 
on 
November 20, 2021
I started using Amsoil 10w-40 In my Toyota SR5 2013, with 167k on her. This oil appears to have calmed down the valve train and overall this 4 liter loves it.I hope to go 300k with Amsoil in it.
The XL is a great balance between price and it does not compromise on performance. I am not comfortable driving oil longer than a year, otherwise, I'd probably buy the top of the line version of AMSOIL.
And: I have the greatest AMSOIL dealer of all, thanks John!
Honestly I started to research based on LSPI events and many other things that oil companies and products offer throughout the whole market. After finding out that Amsoil provided the best and longevity oil compared to the competition. It was no doubt that I had to buy the product and try it out. I have always bought my products through a dealer seller but then heard that Amsoil had options to create an account and become a preferred customer to get extra savings. It’s no doubt that they’re the best in the game and I’m overall happy with the results. I would highly recommend Amsoil products.
I have a Subaru Baja turbo and my son has a Subaru WRX. Both of us have the 2.5L turbo, and they both love the Amsoil we run in them! They run cooler and i know they are protected.
I've been using this product for several years now, and since I don't drive more than 10,000 - 12,000 miles a year, I only have to do an oil change once a year. Of course I do use the recommended oil filter with this oil in order to do that.
I've had other full synthetic oils that didn't clean an oil pressure sensor.
After switching to this Amsoil 5w30 boosted. I haven't had any issues with my oil pressure sensor at all.
I use Amsoil 0w20 & 5w30 XL Boost in my 4th & 5th Gen 4runners. Engines runs smoother than any other oils I've used and gives me great confidence for the longevity of my vehicles and their performance. For gear oil, I use Amsoil 75w90 in both vehicles front & rear diffs as well as transfer case. Highly recommend all Amsoil products for Toyota 4runner needs.
Switched to Amsoil several oil changes ago for my daily drivers. Engines are quieter with more power. More than worth any difference in price since I keep my cars well into the six figures on the odometer.
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