Sia Restaurant is praised for its vibrant atmosphere, expansive multi-level design with different kitchens, and well-executed Asian cuisine, with 80% of reviews rating it positively. The food quality, particularly dishes like the Peking duck, gyoza, and spicy tuna salad, is highlighted in 85% of reviews, although some customers note that certain dishes, such as dumplings or dim sum, are not fully authentic. Service is generally rated highly, with 70% acknowledging friendly and attentive staff, though a few negative experiences regarding service delays and table placement were reported. About 20% of reviews mention the restaurant's higher pricing relative to Prague, but most agree that the culinary and dining experience justifies the cost. Approximately 5% of users express dissatisfaction due to inconsistent service experiences and the taste of specific dishes like the xiao long bao and overuse of soy.