Acrylics dry faster and don't physically blend as easy as oils when you want to mix colors and make one color fade into another on your model.

Experienced acrylics painters achieve splendid results, though. If you want to perfect your acrylics skills, there's an interesing article on the website of

Vallejo.

Worth reading !

Great article. I've always done my figures in acrylics, but now I have some additional techniques to try.