Even though at nearly $21 a quart it's nearly triple the cost of some of the other highly-rated transmission fluid offerings, reviewers insist the high price of Royal Purple Max ATF is worth it ...

Finally, you'll have to pick a brand. The top-ranked brands of transmission fluid include Valvoline, Royal Purple, Red Line, Amsoil, and Pentosin. As long as the above requisites (type and quality ...