Question: which wines are lowest in sugar?
Answer: Dry reds, which often have under one gram of sugar per five-ounce pour: Pinot Noir, Cabernet Sauvignon, and Syrah/Shiraz.
Dry whites, which have between one and 1.5 grams of sugar per five ounces: Pinot Grigio, Chardonnay, and Viognier.