They might or might not. Tire life varies among brands and tread designs. Your driving habits have a significant effect on tire life, too, as do maintenance practices and road conditions. When shopping for tires, compare warranty life and Uniform Tire Quality Grading (UTQG) treadwear ratings to determine which tires are likely to last longer than others. The treadwear rating, a three-digit number, is marked on the tire sidewall and often shown in sales literature. The numbers donâ€™t predict exact mileage, but are relative: A tire with a treadwear rating of 300, for instance, is likely to wear twice as long as one with a 150 rating, but that isnâ€™t guaranteed nor is any particular mileage.