What you have so far for the difuse is just the basic colors layed out thats just the start of your work. You need a lot more work put into that before you should be calling it done. For one bake out a abient occlusion map and overlay that on to it then a shit load of over lays to give the textue some grit to it. Get in…
He needs alot of love given to his diffuse and spec textures to bring him to life. the normals look good but the other maps let down the model. examples of where he needs it would be the head, you have no tonal variation up there, in the ref hes got black makeup around his eyes, yours doesnt. The metal over all doesnt look…