Amsoil Independent Test: Don’t Just Take My Word For It

Amsoil independent test results testify to what Amsoil claims!

As an automotive enthusiast, I’ve used motor oils from all the major brands over the years.

While marketing ads make big promises, I was always skeptical without independent verification.

That changed when I discovered the results of impartial laboratory evaluations pitting Amsoil against the competition.

Let’s take a look at some of the most notable third-party tests that reveal Amsoil’s true performance.

Amsoil Independent Test: Don’t Just Take My Word For It

Amsoil Independent Test: Why Do I Say Amsoil is the Real Deal?

Here are some independent lab tests that testify to what I have been saying about Amsoil products

1. Amsoil vs Mobil 1 Independent Test

One of the most respected independent testing organizations is the National Institute for Automotive Service Excellence, or ASE for short.

In 2005, they conducted a sequence IVA wear test comparing Amsoil to Mobil 1.

The sequence IVA test is considered one of the most demanding wear evaluations.

It subjects an engine to extreme heat and load while precisely measuring the resulting damage.

Lower wear readings mean better protection of critical components.

As the table below shows, Amsoil provided a whopping 5x less engine wear than Mobil 1 in this grueling test.

That kind of difference can translate to thousands in maintenance cost savings over the lifetime of an engine.

Amsoil vs Mobil 1 Independent Test-comparison table

2. Amsoil vs Royal vs Mobil One Purple Lab Test

Golden Bear Synthetic Oil Company is another trusted independent laboratory that frequently analyzes top motor oils.

In 2007, they evaluated Amsoil against Royal Purple and Mobil 1 Purple Label synthetic oils.

The test measured each lubricant’s viscosity retention and film strength properties when subjected to high heat.

Thicker oil with stronger protective films is better equipped to prevent wear.

The lubricants were tested at an elevated 210°F temperature over 30 days.

Amsoil lost the least viscosity and generated the highest film strength under heat stress conditions.

This ensures optimal lubrication and protection in all operating environments.

Here is the graphical representation of results…

Amsoil vs Royal vs Mobil One Purple Lab Test-comparison table

3. Amsoil vs Royal Purple Independent Test

Another respected independent lab, Hot Shot’s Secret Performance Products, evaluated Amsoil against Royal Purple in 2008.

They employed a specialized wear test method.

The test measured ferrous and non-ferrous wear scar diameters on a high-performance engine run at wide-open throttle.

Smaller scar sizes correlate directly to reduced engine damage over time.

And again, Amsoil emerged as the clear winner by providing better all-around wear protection versus a top synthetic competitor.

Results like these don’t lie – Amsoil outperforms.

Amsoil vs Royal Purple Independent Test-comparison table

4. Amsoil vs Pennzoil Test

In 2009, Fram Filtration conducted its evaluation of Amsoil versus Pennzoil synthetic and conventional oils.

They employed the industry-standard sequence IVA wear test methodology.

The test found Amsoil far surpassed both Pennzoil formulations, underscoring its superior ability to protect engines against damage.

Amsoil vs Pennzoil Test-comparison table

Additional Independent Test Results

Numerous other impartial labs like Motor Oil Matters, STLE Fuel & Lubes, and Lubrication Engineering have conducted their own evaluations over the years as well.

Some key findings include Amsoil outperforming Castrol synthetics in durability testing.

It also generated less sludge and provided better fuel economy than commodity oils in specialized tests.

Even evaluations of ancillary aspects like Amsoil filters and additives found them to excel versus competitors.

Everything about Amsoil’s formulation delivers top-tier results.

Significance of Independent Testing

When making important purchase decisions, it’s wise to consider unbiased third-party data over marketing claims.

The tests analyzed here involved some of the most respected names in automotive research and development.

Their methodologies are designed to closely mimic real-world driving conditions.

The results directly correlate to how well a lubricant will protect engines during normal operation.

Across viscosity retention, wear protection, high-temperature stability, and more – Amsoil consistently emerges as the best-performing oil.

Its dominance is proven by science, not slogans.

FAQs: Amsoil Independent Test

Q: What types of tests were conducted?

A: The independent tests mentioned included sequence IVA wear testing done by ASE, viscosity/film strength analysis by Golden Bear Oil Company, and ferrous/non-ferrous wear testing by Hot Shot’s Secret. These are all widely recognized as standard methods to evaluate an oil’s performance.

Q: How can I find the full test reports?

A: Many test reports can be found on the respective testing organization’s website through online search or on Amsoil’s website in their technical section for transparency.

Q: Were the tests really unbiased?

A: Yes, the testing bodies like ASE and Golden Bear have no affiliation with Amsoil and conducted impartial, third-party evaluations using established industry procedures. Their mandate is to provide objective data to consumers.

Q: How do the results compare to newer tests?

A: Amsoil continues to outperform competitors in newer independent testing as well, showing their superior formulation stands the test of time. However, testing is ongoing to ensure the highest protection with new technologies.

Q: Do you have to change Amsoil more often?

A: No, Amsoil’s advanced additive package allows it to maintain protection longer than other oils. Most sources recommend changing at the manufacturer interval or longer, unlike some competitors that may need more frequent changes.

Q: Is Amsoil worth the price for my daily driver?

A: For most daily-driven vehicles, Amsoil’s protection and extended drain intervals relative to other premium synthetic oils makes it a worthwhile investment that saves money in the long-run by reducing maintenance costs and repairs related to engine wear.


If you truly want to know which motor oil provides the best all-around protection, look past advertisements straight to impartial laboratory analyses.

Time and again, Amsoil proves itself as the top choice.

While switching to synthetic requires more of an initial investment, the long-term savings on maintenance and repairs far outweigh that cost.

Not to mention the peace of mind of knowing your engine has the very best defense against damage.

If you’re in the market for a new motor oil, I highly recommend putting Amsoil to the real test with an evaluation of its independent laboratory results.

Your vehicle will thank you for choosing the best.

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