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Michelin Pilot Sport A/S 4 255/40R21 Tires

Michelin Pilot Sport A/S 4255/40R21 Tire
Michelin tires
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Consumer Tire Performance Survey
star ratingstar ratingstar ratingstar ratingstar
based on 368 customer reviews
review overall8.6 review hydroplaning resistance8.5
review buy again90% review cornering stability8.9
review dry traction9.0 review steering responsiveness8.9
review wet traction8.8 review ride comfort8.7
review light snow traction7.7 review noise level8.4
review deep snow traction7.0 review treadwear8.2
review ice traction7.2 review miles reported1,078,186
     8-10 = excellent        6-7 = good        4-5 = fair        1-3 = poor
guide to ratings

Mavis Tires & Brakes offers Michelin Pilot Sport A/S 4 tires in the size 255/40R21. When replacing all 4 tires, the most popular vehicle was the Audi Sq5, followed by the Volvo Xc60, Audi Sq5 Sportback, Genesis Gv70 and Audi Q5 Sportback. 11 different vehicle models in total were fitted with this tire. The average mileage when putting on the new tires was 41,533, and Fall was the most common time of year to purchase.
Browse a list of all Michelin tires
Size Sidewall Speed
Rating		 Service
Desc		 Load
Range		 UTQG
Tread		 UTQG
Traction		 UTQG
Temp
255/40ZR21 XL Blackwall Y 102Y XL 540 A
Michelin Pilot Sport A/S 4 - All Season Ultra High Performance tire
  • Developed on the track and proven on the street, our innovative Dynamic Response Technology ensures forces and temperatures are distributed evenly for a longer wear life. MICHELIN® Pilot® Sport All Season 4 delivers long-lasting ultra-high performance.
  • 1) Asymmetric tread pattern - Places more rubber on the outer shoulder to deliver exceptional lateral grip. 2) Extreme Silica+ tread compound - A race inspired tread compound engineered with maximum levels of silica to grab hold of slick pavement. 3) 360-degree variable sipe technology - Distinctive full depth and interlocking sipes provide biting edges for improved traction in wet and snowy conditions. 4) Helio+ technology - Advanced rubber grips the road even in freezing conditions. 5) Biting edges in the tread grooves grab loose snow to help control acceleration and braking in winter conditions.
  • MICHELIN® Pilot® Sport All Season 4 is the first all-season tire chosen by Chevrolet for the Corvette. Elevate the look of your sports car with a premium design that stands out from the crowd.
  • Performance made to last. The MICHELIN® Pilot® Sport All Season 4 has up to 29% more tread life than leading competitors.[1]
  • Elevate your potential in all seasons. Dry, wet, or snow covered - the Pilot® Sport All Season 4 delivers superior performance.[2]
  • Premium supercar certified design.
  • [2] 4% better dry braking, 5% better wet braking, and 10% more snow traction compared to the MICHELIN® Pilot® Sport A/S 3+. Based in internal braking and snow tests conducted in tire size 245/40ZR18, using a 2015 BMW 328i. Actual on-road results may vary.
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