Dragon Ball GT Saiyan Transformation

SSJ 4:
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This form can only be seen in Dragon Ball GT series. This form is a mix
between Oozaru and human, in this form, warriors keep their regular hair color, grow red fur across some of their body (except SSJ4 Gogeta, who has brown fur and red hair). Some believe this is the true form of [...]

Dragon Ball Z Saiyan Transformation

 
Super

This is the stage where they almost become super saiyan, they have the anger to become Super Sayain but their power level is not high enough yet. This happens to Goku when fighting Lord Slug.
Super Saiyan

This is a powered-up version of a normal Saiyan. When they reach this stage, their hair turns yellow and their [...]