Neo Metal Sonic shares some distinctive traits with his base form, such as black eyes with red irises, a similar torso with a rocket engine in the center, and the primary blue color with red shoes. There are a number of differences that Neo Metal Sonic features as well. His head has five long quills as opposed to his regular three, with white stripes and markings around his eyes. He also possesses more pronounced body armor, with black and curved shoulder plates, larger gauntlets and leg armor.