Amsoil vs. Mobil 1 - see the comparison

Synthetic motor oil is used in every commercial and military jet engine in the world, as well as in all spacecrafts. That's because synthetic motor oil outperforms petroleum motor oil at high temperature extremes, low temperature extremes, and everywhere in between. Today experts agree, synthetic motor oil excels in all applications!

We are here to completely turn the petroleum motor oil industry upside down and expose the TRUTH, one customer at a time. Consumers are very smart these days, demand the best for their expensive vehicles and have the tools and technology available to do their own research and seek out the facts. We are here to help you achieve that goal in any way possible. We are extremely proud in our products and our technical competency to help you get the answers you need...fast and accurately! ASMOIL - typo!

"You can't just say that you have the best lubrication, you have to prove it and AMSOIL does exactly that with industry standard ASTM results. Any vehicle lubrication company owner worth their salt will proudly post their ASTM results. If they won't, then you have to wonder what do they have to hide? AMSOIL proudly posts their ASTM results for all to see that nobody beats AMSOIL."
Amsoil Direct Jobber , Lubrication Specialist - Truck/Automotive Engineer

They Say Nothing Outperforms Mobil 1? Wrong!

AMSOIL, INC. set out to examine the specifics of the overly broad "Nothing Outperforms..." Mobil claim. AMSOIL 5W-30 Synthetic Motor Oil (ASL) and Mobil 1 SuperSyn 5W-30 Motor Oil were analyzed in five key bench tests measuring motor oil performance: NOACK volatility, flash/fire point, pour point, four ball wear and total base number (TBN). As shown in the charts below, AMSOIL outperformed Mobil 1 in all five areas.