Best oil I have used for my daily driver. Engine runs very smooth. 4.3 liter vortec with 254k on it

Best on the market

Great product

Well the car has 180,000 on it so I decided to go high mileage. Oil and filter are done so now we wait and see.

I've been using this oil in my truck for the last year. I have noticed a big difference when towing the racecar. Even after 5000 miles oil still looks fresh. Engine has been running smoother since switching to Amsoil. I use Amsoil not only in my daily drivers but also in my racecar. Great products.

It’s helped slow down the oil burning issues with the 2az-fe engine. Never got a recall for this engine from Toyota and been meticulously checking the oil more often than most drivers do. Have used various brands like Mobil 1 to the cheap Quaker State conventional oil to monitor my oil burning problems. This product definitely slows it down. Been ordering it consistently since introduction by AMSOIL. Was using Signature Series prior to this and it didn’t help with the oil burning issues as much as this one. I still do oil changes every 3K just because of the oil burning issues. Oil is inexpensive compared to a freezed engine with no oil in it or blown engine with no oil in it. It’s worth it. Currently almost 260K miles on this badly designed engine!

This is the best engine oil on the market. Much better performance using this product. Unless something else comes out better, I will be a lifelong customer.

Good price, highly recommend for any high mileage vehicles to know this oil will protect your engine, especially during cold climates

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This has to be the best lubricant I’ve ever used, fixing to swap all my equipment to it!!!

Amazing oil. Super high quality and always packaged with care!

I have used Amsoil in all of my vehicles and have been extremely please with its performance. I have three high milage vehicles including a 1930 Model A Ford in which I use their high Zinc 10W/30W Oil. I am extremely pleased with the quick delivery and lubricating properties of the AMSOIL Products.

I love the fact the kit comes with everything, oil, oil filter, GLOVES, FUNNELS!!

I’ve been using this product about five years and it’s very great. I will not change it for another. I’m very happy with it and I will recommend it.

Great stuff. Used on my daughter’s 2010 Subaru Outback with 210k miles. Keeping my girl safe at school in the UP.

I love having an Amsoil account. It’s so easy to order and it shows up at my door within a couple of days. Highly recommend it.

First time using Amsoil in my Jeep so we'll have to wait and see how it does. Hoping Amsoil keeps her going for many more miles.

I've never used Amsoil before in my cars, but I do run it in my Harley and it's seems to be doing it's job in that so I figured I'd give it a go in my other vehicles. With today's new vehicle prices, I'm hoping that Amsoil helps keep them going for a very long time.

Did some research and that’s when I found out about AMSOIL! Haven’t looked back since it’s all I use in my new to me 2013 Escalade.

I have a 1994 Ford Explorer and for the last 15 years, have used Amsoil on all oil changes. Explorer has 260 thousand miles on it and still running strong for which I give credit to Amsoil. I use Amsoil on my other vehicles as well