Size --21 Passenger Tires
Michelin Pilot Sport 4S 315/30R21XL 105Y BSW
30K Mile Warranty
Ultra High Performance Summer
- Passenger
Ultra High Performance Summer
- Passenger - Run Flat
Michelin Pilot Sport 4S 315/30R21XL 105Y BSW
30K Mile Warranty
Ultra High Performance Summer
- Passenger
High Performance All Season
- Passenger - Run Flat
Ultra High Performance Summer
- Passenger
Ultra High Performance Summer
- Passenger
Ultra High Performance Summer
- 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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Where do I find my tire size?
- Sidewall of your current tire
- Inside frame of your driver's door
- Your owner's manual
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