Size -40-21 Tires
Ultra High Performance Summer
- Truck/SUV - Sport Truck
American Road Star Sport A/S 275/40R21XL 109Y BSW
40K Mile Warranty
High Performance All Season
- Passenger
Accelera Iota ST68 285/40R21XL 109W BSW
35K Mile Warranty
Ultra High Performance All Season
- Truck/SUV
Milestar Interceptor AS810 265/40R21XL 105Y BSW
50K Mile Warranty
Free Road Hazard Protection
Free Road Hazard Protection |
High Performance All Season
- Passenger
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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®
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Consumer reviews
Research based on customer reviews and buying behavior
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Treadwear
The lifespan of a tire based on wear performance
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Traction
The ability of a tire to grip to the road in wet conditions
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Expert ratings
Input from veteran tire industry experts
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