Four Versus Two Winter Tires: Which Is Best? If you live in an area that experiences snowy or icy conditions in the winter months, hitting the road means paying close attention to conditions and adjusting your driving accordingly. Driving slower, braking easier, and allowing more distance between vehicles are all ways to stay safe, but possibly the most important thing to do is to install winter or “snow” tires. Why do I need winter Tires? Winter tires, also known as “snow tires” and “ice tires”, are tires that have been designed and manufactured specifically to perform well under winter conditions.