I've never noticed any particular aftertaste from Coke or Pepsi, but I have noticed that with Pepsi I get that 'sickly-sweet' taste after about half a can, whic

I've never noticed any particular aftertaste from Coke or Pepsi, but I have noticed that with Pepsi I get that 'sickly-sweet' taste after about half a can, which I don't get with Coke.