The Kirkland Signature French Vodka was named by a panel of industry experts as their favorite vodka in a blind taste test against premium name brands. Many reviewers have compared it to Grey Goose — in part because it is produced in the same French distillery. At approximately $20 per 1.75-liter bottle at Costco versus approximately $55 for a 1-liter bottle of Grey Goose, the price differential is so significant that the member community has a specific name for choosing Grey