Resources and Tests


Amsoil Comparison Resources Tests

I will provide evidence and conclusive test results with other leading brands of synthetic and conventional oils where Amsoil beats the rest. So, seven tests were run on the engine lubricants during the motor oil testing.

8.2% more MPG

Fuel accounts for roughly 37 percent of Class 8 truck operating expenses, and reducing fuel expenses is a top priority for truck operators.

Diesel Fuel Savings, Amsoil Synthetic Heavy Duty Diesel Oil

Amsoil vs Mobil 1

Not sure which one is better for your engine?

I will show in the charts to follow, AMSOIL outperformed Mobil 1 in all five areas with 5w-30 motor oil.

With its proven track record of performance, superior wear protection, and numerous other benefits…

Amsoil is the smartest choice for anyone who cares about the health and longevity of their engine.

And with the help of, you can easily find the right Amsoil resources for your needs and get started on the road with better engine performance and protection.

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AMSOIL vs Mobil

Trucker Diesel Oil Tear Down

After 409,000 miles without an oil change, the AMSOIL-protected Mack E7-400 engine in this truck was as wear-free as an engine in comparable service treated to TWENTY TIMES the oil changes.

Diesel Fuel Savings, Amsoil Synthetic Heavy Duty Diesel Oil