Size -40-21 American Road Star Tires
Compare tires at a glance using our easy test score® system. Our proprietary algorithm factors in performance, expert insights, user reviews, and Uniform Tire Quality Grading (UTQG) scores.
Four criteria factor into easy test score®
-
Consumer reviews
Research based on customer reviews and buying behavior
-
Treadwear
The lifespan of a tire based on wear performance
-
Traction
The ability of a tire to grip to the road in wet conditions
-
Expert ratings
Input from veteran tire industry experts
