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Michelin Pilot Sport AS 4 255/45ZR18 103Y XL is a supercar-certified, all-season tire engineered with Dynamic Response Technology for exceptional wet, dry, and snow traction. Featuring an asymmetric tread pattern and reinforced 4-ply construction, it supports heavy loads up to 1,929 lbs and comes with a 45,000-mile treadwear warranty, making it the ultimate blend of performance, durability, and style.





| Asin | B087K19XN9 |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #59,344 in Automotive (See Top 100 in Automotive) #83 in Passenger Car Performance Tires |
| Brand Name | MICHELIN |
| Construction Type | Radial |
| Customer Reviews | 4.1 4.1 out of 5 stars (177) 4.1 out of 5 stars |
| Global Trade Identification Number | 00086699097996 |
| Included Components | Rims not included |
| Item Diameter | 18 Inches |
| Item Dimensions | 27.4 x 10.1 x 27.4 inches |
| Item Type Name | Tire |
| Item Weight | 27.29 Pounds |
| Load Capacity | 1929 Pounds |
| Load Index | 103 |
| Load Range | XL |
| Manufacturer | Michelin |
| Manufacturer Part Number | 09799 |
| Manufacturer Warranty Description | 45,000 Miles Manufacturer's Treadwear Limited Warranty, 6-Year Standard Limited Warranty |
| Maximum Pressure | 50 Pound per Square Inch |
| Model Number | 09799 |
| Oem Equivalent Part Number | MICH-09799 |
| Ply | 4-Ply |
| Rim Size | 18 Inches |
| Rim Width | 9.5 Inches |
| Seasons | Year Round |
| Section Width | 255 Millimeters |
| Size | 255/45ZR18/XL 103Y |
| Speed Rating | Y |
| Tire Aspect Ratio | 45 |
| Tire Diameter | 27.4 Inches |
| Tread Depth | 10 32nds |
| Tread Type | Asymmetrical |
| Unit Count | 1.0 Count |
| Upc | 086699097996 |
| Vehicle Tire Iso Metric Size Description | 255/45R18 |
User
Worth the price! Perfect purchase
Perfect purchase. Deep treads preform well on wet pavement. Michelin makes a fantastic motorcycle tire. We immediately traded our new trike tires for the Michelin set. Great price and fast delivery. Very Happy Thanks
User
Great Michelin Tires for Sport Car!
Great! This Michelin Tire is made of high quality. It's exactly as described and as same as the picture. I purchased type 4ZP tire because it's the best. ZP means it's a Zero Pressure Tire. It allows to run 50 miles without any problems before it's going flat. The price that Amazon sell is for one tire only! Therefore I have to order 2 tires. They are expensive but they look nice, durable, and in great quality. They fit my sport car perfectly and they're all NEW. I like it. I recommend MICHELIN tire to everyone. Thank you Amazon!
User
Order 4 separate times and never did any ship.
I have ordered these tires four times from April 2026 to June 2026 and each time the tires never arrived. The day after I placed the order, I received confirmation that my tires left the warehouse. Then the tracking stops and my Amazon order page says to "wait a few more days" and after that "delivery date currently unavailable". The tires never arrive and my credit card gets charged. Then I had to contact customer service each time to get them to process my refund because the Amazon page only gives me the option to return the tires (which never arrived).I've owned set of these tires before and they perform well on the road except that the rubber dries out and cracks after 4 years. After 40,000 miles my tires were dangerously cracking. This is 5,000 miles before the warranty period. My car is in Florida which isn't ideal for this rubber compound because of the sun and hot roads.I wanted to give Amazon a chance for tires but after 4 tries, I'll need to find another tire rack website. The prices online tend to match Amazon exactly but with Amazon I get my 5% credit card cashback.
User
The value of the tires. Very high quality and smooth.
Honestly, this is my first time buying this type of tire. I could right away fill the deferents. The quality is so smooth which gives is high quality ride. The balance and smoothness just fills like your flouting and also no noise on the tire when driving. This tires is worth every penny I payed for. Highly recommended.
User
Very quiet
Great ride very smooth and quiet
User
Good tires
Great tires, but only lasted about a year or 25,000 miles
User
Quality
beware for bubbles on sidewall. other than that very grippy tire even in snow and rain but especially on a hot day
User
Quality tire
My favorite brand and my favorite model of tire, Michelin Pilot Sport All Season.I have run a few different brands of tires on my C6 Corvette and before that my Mustang, and these (especially the All Season 4) are my absolute favorite. I got 3 years and about 22k miles out of my last set (All Season 3+), which sucks but that's a sports car for you.If you are on the fence about getting these for your car, I encourage you to try them out. I can't see how you won't like them. Quiet, super grippy, great in wet, great in dry, haven't tried "snow/ice."
Trustpilot
3 weeks ago
1 month ago