Complex sentence: While known for its Chardonnay, Grgich Hills also produces an excellent Red Zinfandel, made from old-growth wines, which is typically aged only a few years and is sold at the modest price of $75-$100 per bottle.
Split into simpler sentences: While known for its Chardonnay, Grgich Hills also produces an excellent Zinfandel, made from old-growth wines and typically aged only a few years. This wine is sold at the modest price of $75-$100 per bottle.