Question: what are the tire ratings?
Answer: Standard all-seasons are usually rated S (112 mph) or T (118 mph). Climbing up the scale are H (130 mph), V (149 mph), ZR (149-plus mph), W (168 mph), and Y (186 mph) ratings. Winter tires may carry the letter Q (99 mph) or higher. Treadwear grade: A government-required number that indicates a tire's expected wear.