Captain Cadaver said:Both have similar destructive power and durability, but Gear 4 Luffy (and practically any OP mid tier, for that matter) has enough speed to blitz this Goku several times over. Assuming Luffy can end it quickly based on that, he wins pretty easily. If speed's equalised, however, he'd lose. This version of Goku was able to withstand attacks a fair bit above his level, so he'd be able to wear Luffy down if we take away Luffy's huge speed advantage.