AMSOIL - "Our Company makes the Best Lubricants in the world, period, and challenges anyone or any company to prove us wrong! That won't happen because our competitors know it's true."....... A. J. Amatuzio, President and CEO.


What sets Amsoil apart from other oils?

Amsoil from its’ very beginning has delivered to you, their customer a lubrication product with the highest level of performance, from wear prevention to fuel mileage savings in a product of vastly longer drain capabilities.

What this means for you is unheard of convenience, the greatest fuel economy you will ever get from your vehicle and piece of mind knowing you have the very best lubrication technology protecting your very expensive investment.

Somehow some people have this idea that oil is oil.
So they buy the cheapest they can thinking they are saving money.

Petroleum oil does not save you money!

yes, it's the cheapest to buy, BUT NOT TO OWN!

Amsoil has for decades compared the performance of their lubricants against the competition by paying independent labs to performance test oils that the labs buy off the store shelf.

Amsoil then publishes the results, such as the, 'Motor oil Comparison', the 'Motorcycle oil Comparison', the 'Gear oil Comparison' and the 'Two stroke oil Comparison' tests.

Reports as published by others don't hurt either!

Amsoil has never been suede for publishing it's competitor's
oils embarrasing performance results.

This means but one thing. The results are true

Producers of regular commodity grade motor oil would like you to think that 'oil is oil' so shop for the cheapest as it's all the same anyways! With the information available on this site you will come to know that the above statement couldn't be further from the truth.

There is a w i d e range of lubrication performance between great and average lubricants. Advertising hype is everywhere with everyone claiming to have the best oil there is. But do other oil companies hire independent labs to run performance comparison tests and then publish the results? Does the oil you use now do this?

Amsoil does and doing so speaks volumes that indeed,

Amsoil makes the Best Lubricants in the world.

Like to get OFF the 3000 mile Oil Change TREADMILL? Really !!!


Are API approved oils "good enough?", apparently not...

Lube's DIRTY Secret - (August 2003 Service Station and Garage Management)
"some lubricants sold in North America could actually be hazardous to engines..."
(full article...)

Conventional Oil Costs Carmaker $32 Million -
...owners weren't advised to use synthetic oil. (full article...)

API Comparative Motor Oil Testing -
Just because it says 'Synthetic' doesn't mean it's any better than regular oil! (full article...)

AMSOIL 10W-30 Excels in API Sequence IIIF Test -
Are you the 'Show me' type? Look at this 'killer' test result. (full article...)


"Lubes' n' Greases" Automotive Editor David McFall, once with the American Petroleum Institute recently tackled the issue of extended drain intervals in his March 2003 column, criticizing the standard 3,000-mile oil change and referring to the American motor oil market as "shackled."

Update, "Lubes' n' Greases" December 2003: Addressing the ethical aspects of keeping drain intervals shortened, David McFall declares, the current stance of the oil industry “comes at a high environmental price.” December 2003 column


Amsoil, the Company of Firsts is the largest independent synthetic oil manufacturer in the world and has a documented history of innovation and leadership.

Here's some background:

  • First to develop an API-rated 100 percent synthetic motor oil.
  • First to introduce the concept of "extended drain intervals" with a recommended 25,000-mile/1-year drain interval.
  • First U.S. company to utilize the NOACK volatility test as a standard of performance excellence.
  • First to produce synthetic motor oils for diesel engines, racing engines, turbo and marine engines.
  • First to introduce synthetic oils that legitimately contribute to improving fuel efficiency.
  • First to manufacture synthetic gear lube for automotive use.
  • First to manufacture a 100:1 pre-mix synthetic 2-cycle oil.
  • First to manufacture a synthetic automatic transmission fluid for automotive use.


  • "Nothing Outperforms Mobil 1" Well, let's compare Amsoil 5w-30 to Mobil 1's SuperSyn

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