 | | Question: | | Does Mobil 1 or Amsoil Provide Best Protection for Longer Drain Intervals? | |
I read on the internet that Amsoil has interval change of 25,000 miles and say
they back it up with oil testing done on fleet commercial trucks. What is your
opinion how Mobil 1 vs Amsoil compares? Can you quote if testing has been done
and which is better? I would really like to know who makes the best oil and
why Mobil says to change oil at recommended intervals by the manufacturer. If
Mobil 1 Extended Protection is used the change interval is still only 15,000
miles compared to Amsoil saying 25,000 miles. I currently use Mobil 1 in both
of my Toyota Tundra and 4 Runner, but Amsoil claims of 25,000 miles with fleet
testing gets me thinking maybe I should change to Amsoil? Your honest reply
citing professional standards used would be appreciated by many of the public
(i.e., ASTM). I really would like to know who has the best protection and why.
Your reply is greatly appreciated.
| | -- Greg Galbreath, Palmdale, CA | | | Answer: |
We certainly can’t speak for AMSOIL. But you can see the kind of testing we
put our product through by looking at the recent
Las Vegas field testing we completed with Mobil 1 in Las Vegas taxis. In
addition, Mobil 1 is chosen by more car manufacturers as factory fill in their
vehicles than any other motor oil. We also are approved against the latest
industry standards and appear on the OEM approval lists of all the major
manufacturers. Mobil 1 is all about protection and helping to extend the life
of your vehicle.
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