Sparkling Vintage Brut .. the Brut component  is referred as a French term for sparkling wines, it indicates very low level of sugar up to 15 grams per litre. There is no sugar present in Brut integral or Brut zero Champagne. But the vintage can vary relative to quality, and the chief reason the drinker should want to know which vintage produced the wine is to tell its age. The vintage year classifies the character of the wine which changes completely from year to year