Some comparison tests were
done, on name brands of
synthetic oils and mineral oils.
Comparison tests were done to determine if the extra cost was worth it paying the extra money for them. The results of the tests that were done unequivocally confirmed that synthetic oils are worth the extra cost. Some of the comparison tests even showed the superiority of Amsoil synthetic oils when compared to other brands of synthetic oils as well as mineral oils.
The industry is just now catching up with what Amsoil has been claiming
and stood behind for over 45 years.
The cost analysis was done with in-depth testing on 5 synthetic oils and 5 mineral oils by AAA, to see the official report click on the link below.