Need to change the trans fluid and filters in my Commander. Trans is a 545RFE.

Since ATF+4 is licensed from Chrysler is there really any difference between Mobile1, Royal Purple and say Autozones house brand?

I don't want to spend $15 a quart if the $5 a quart stuff will work just as well.

Info on ATF+4 http://www.centerforqa.com/home.html

Licensed Brands http://www.centerforqa.com/licensedatf4brands.html