how long does champagne keep
Q. how long can you store expensive champagne Vintage champagne can age from 5 to 15 years on average. Please note that vintage means there is a date year on the bottle and that it is made from 80% of grapes harvested in that year.They only make vintage champagne in good years so it is usually of higher quality.ow long does champagne last unopened You don't say if the champagne is vintage or not, nor do you state the brand. So generally speaking champagne (vintage) can last a few years, but to be safe find a reason and drink it. Back to Topic Index.