I first owned the Michelin Pilot Sport AS3, then my tires wore down, so went to the Michelin Pilot Sport AS3+. Now I'm currently using the Michelin Pilot Sport AS4. From my very early and initial impression (under 50 miles), these tires are the best of the group thus far. I found the AS3 and AS3+ were almost identical in tread pattern, driving, comfort with a slightly higher noise level. The AS4 feels like a significant upgrade. Firstly its an entirely new tread pattern from the past 2 models. A variation of sipe thickness and patterns. It looks like it will grip better. Briefly driving on both dry and wet roads, highway and city, it delivered nicely. It already felt great with the AS3 and AS3+, so I'd expect the same with some refinement. Personally, where I really found an improvement is the noise and comfort level. This is deemed an ultra-high performance tire. Its sporty, athletic and low profile. The handing is expected to be superb and usually the tradeoff is comfort and noise. I don't know how Michelin did it, but I've found the noise level lower and the comfort level higher. It rides much more smooth and soft with less tire noise than the AS3+. My car handles even better and I feel confident with my rear wheel ride. The only concern I have is longevity and durability. Both AS3 and AS3+ were sticky tires, so they wore down quicker and sustained nail damage. I'm expecting the same with the AS4 as I believe the tire compound is the same or similar to the previous 2 models. Plus in the end, compromises are always a result of changes. I hope I'm wrong, but time will tell. Its already a superior tire and I've had a nice history of use. Michelin, if you could make a tire with added durability (less chance of nail, staple, debris causing tire damage), you'll have a true legend! In the meantime, well done on the AS4.

Randomly worn in a section of the tire between the centre and outside edge of the tire. Only had them on my X5 for 25,000 km Always been a fan of Michelin but this is the last set I buy. I don’t even want to attempt a warranty claim because they still aren’t worth it.

Big fan of Michelin Pilot Sport AS 3+. Have them on two family cars. Just installed the new Pilot Sport AS 4 on my daughter's 2020 Honda Civic LX. Replaced the OE tires. It's a entirely different driving experience. Love these tires. Fantastic Product

I bought this set of tire about a year ago and can say they are the best All Season Sport tire on the market. The tires were purchased for my 2021 Roush Stage 3 Mustang which has 760 HP, 670 Ft. Lbs. TQ. The car can push any tire to its limits but the Pilot Sport A/S 4 handles the power in a very linear fashion. Yes, a Pilot Summer only tire would stick to the road better if I ran it on the track but that is not going to happen. For my very spirited driving I have found the Pilot A/S Sport 4 tire handle the twisting back mountain roads with ease. I highly recommend these tires for anyone who wants the best of All Season and Track only tires in one set of tires. Unless you plan on putting your car on a drag strip or the big oval this is all the tire you will ever need.

Installed these Pilot Sport A/S 4 about three weeks ago and coming from a previous set of the Primacy MXM4 I have to say ::::) WOW!!!! For the past two weeks we've had terrible rains in South Florida and these tires have performed outstanding, in heavy rain, light rain, no acquaplaning whatsoever. When conditions dried the tires performed awesome. The sidewall and overall structure of the tire is a bit firmer, which I like comparted to Primacy and there is no squishiness at all! The noise is very much comparable to the Primacy, I would say a very small fraction louder but not noticeable. These tires were a great buy for sure. 235/40R19

I brought my 2007 Mercedes Benz CLK 350 in for service inspection as the "brake pad wear" light came on recently. During the inspection, I was informed that the rear tires on the vehicle needed to be replaced. All four of the tires on the vehicle are Michelin Pilot Sport AS 4 B 225/45ZR17 94Y XL Michelin Pilot Sport AS 4 B 245/40ZR17 95Y XL Michelin Pilot Sport AS 4 B I was shocked by the news that these Michelin tires needed to be replaced, given that the vehicle is driven less than 4,000 miles a year, and the vehicle is almost never driven on the freeway, and is rarely driven above 35 mph on surface streets. I have now confirmed that these Michelin tires were installed by Big O Tires on December 7, 2020, at which time the mileage on the vehicle was 90,415. The December 7, 2020 invoice from Big O Tires states that these tires come with a warranty ("Minimum Mileage Warranty: MFG45"). This past week, on Monday, May 12, 2025, the odometer mileage was recorded as 105,606. Assuming these odometer readings are accurate (which they appear to be), this means the vehicle has been driven a total of only 15,191 miles in the 53 months since these Michelin tires were both recommended and installed on the vehicle in December, 2020. This is under 3,500 miles per year. I have never heard of tires lasting only 15,000 miles, and I certainly did not expect this of a supposed "quality tire" bearing the Michelin brand. Honestly, I thought that I was buying the best possible tires for this vehicle - and, in any event, these were the tires that were recommended by Big O Tires. During my second trip to Big O Tires on Monday, May 12, 2025, I asked about whether these tires came with a warranty, or whether the dealership (Big O Tires) or the manufacturer (Michelin) would stand behind the tires and admit the obvious - that these tires are not supposed to wear out within 15,000 miles of ordinary driving. In my discussions with Big O Tires on Monday, May 12, 2025, I was given the clear impression that there was nothing that could be done for me at the dealership (Big O Tires), and that I was free to take the matter up with the manufacturer (Michelin). This seems strange to me, since these tires were recommended and installed under a warranty by the dealership (Big O Tires), and it is the dealership that promotes the Michelin tire brand. I have now done some basic research on the internet, and it seems that many other customers have complained about these tires wearing out prematurely. The loudest complaints seem to be from customers who likewise cannot believe that Michelin tires would last as little as 15,000 miles. Conclusion The more I consider what has transpired, it is unlikely that I would rely on Big O Tires or the Michelin brand in the future, or recommend them to others.

The specs and real performance of these tires are incredible. 255/35R21/XL 98W Front - 275/35R21/XL 103W Rear. I know My Tesla MYP can outperform 97% of the vehicles on the road. The car can do 0-60 in 3.4 seconds. Most likely your non-Tesla car cannot. I put it to the test on my daily 55 mile commute. The tires have a lot to do with this. The heavy EV and high speed rating are brilliant technology. Fully confident all weather rain/sleet /snow/ice at very high speeds. Hey Michelin Bring back Premium Touch.. love it

Just had these tires installed on my Kona Urban Edition. (Pilot Sport AS4) I am very pleased with the sporty look of these on my car. Also it was raining pretty hard while driving with these and found them very responsive with very good braking as well. (While following recommended speed limits) Another plus is that they are quiet! Very smooth ride too. Both on Highway and town driving. I feel they grip the road exceptionally well. They should serve me well for my driving needs. Highly recommend.

Delaminates and must be replaced before tread life. I have had 3 sets of AS3, then AS4's and ALL have delaminated in the front just where the tread meets the sidewall. I use my Corvette Grand Sport for performance driving, but these tires are rated f.or high performance. I currently have less then 4,000 miles on my tires and the fronts need replacing

These tires have wonderful traction and great handling. They perform amazing on my Turbo charged vehicle. And really grip the road. They feel very durable. On a last note. I do find them very noisy on the highway at higher speeds. But they are a more agressive tread so it’s fine. I drive on multiple surfaces including dirt roads, gravel trails, pavement and ice and snow. I would highly recommend these tires.