93 Points - Wine Enthusiast. Château Grand Tayac is a small production Margaux run by the hands of ultra-talented winemaker Eric Boissenot, who is the consultant at all the Médoc First Growths and a majority of the other 1855 classified estates. The “Cuvée Reserve” is an exclusive selection of tanks comprised of younger vines and there is no new oak in the blend. In every other way, this wine is cared for in the same way as the Grand Vin. A fine smoky hint with some solid tannins, it is Cabernet